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Finding the Fourth Proportional to 743,298.40, 1,041,317.60 and 743,298.40

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Solution

The fourth proportional to 743,298.40, 1,041,317.60 and 743,298.40 is: 1,041,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,298.40 : 1,041,317.60 = 743,298.40 : x
  2. Step 2: Convert to fraction form
    743,298.40/1,041,317.60 = 743,298.40/x
  3. Step 3: Cross multiply
    743,298.40x = 1,041,317.60 × 743,298.40
  4. Step 4: Simplify right side
    743,298.40x = 774,009,705,971.84
  5. Step 5: Solve for x
    x = 774,009,705,971.84/743,298.40
  6. Step 6: Final answer
    x = 1,041,317.60

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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.