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Finding the Fourth Proportional to 713,601.60, 1,070,402.40 and 702,542.40

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Solution

The fourth proportional to 713,601.60, 1,070,402.40 and 702,542.40 is: 1,053,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,601.60 : 1,070,402.40 = 702,542.40 : x
  2. Step 2: Convert to fraction form
    713,601.60/1,070,402.40 = 702,542.40/x
  3. Step 3: Cross multiply
    713,601.60x = 1,070,402.40 × 702,542.40
  4. Step 4: Simplify right side
    713,601.60x = 752,003,071,061.76
  5. Step 5: Solve for x
    x = 752,003,071,061.76/713,601.60
  6. Step 6: Final answer
    x = 1,053,813.60

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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.