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Finding the Fourth Proportional to 965,599.80, 1,447,362.90 and 366,329.40

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Solution

The fourth proportional to 965,599.80, 1,447,362.90 and 366,329.40 is: 549,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,599.80 : 1,447,362.90 = 366,329.40 : x
  2. Step 2: Convert to fraction form
    965,599.80/1,447,362.90 = 366,329.40/x
  3. Step 3: Cross multiply
    965,599.80x = 1,447,362.90 × 366,329.40
  4. Step 4: Simplify right side
    965,599.80x = 530,211,582,739.26
  5. Step 5: Solve for x
    x = 530,211,582,739.26/965,599.80
  6. Step 6: Final answer
    x = 549,100.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.