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Finding the Fourth Proportional to 2,009,117.40, 2,806,465.80 and 2,009,117.40

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Solution

The fourth proportional to 2,009,117.40, 2,806,465.80 and 2,009,117.40 is: 2,806,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,117.40 : 2,806,465.80 = 2,009,117.40 : x
  2. Step 2: Convert to fraction form
    2,009,117.40/2,806,465.80 = 2,009,117.40/x
  3. Step 3: Cross multiply
    2,009,117.40x = 2,806,465.80 × 2,009,117.40
  4. Step 4: Simplify right side
    2,009,117.40x = 5,638,519,271,284.92
  5. Step 5: Solve for x
    x = 5,638,519,271,284.92/2,009,117.40
  6. Step 6: Final answer
    x = 2,806,465.80

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Half scale
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Double scale
Find fourth proportional to 2,009,118.40, 2,806,467.20 and 2,009,118.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.