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Finding the Fourth Proportional to 539,724.87, 744,806.13 and 298,002.24

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Solution

The fourth proportional to 539,724.87, 744,806.13 and 298,002.24 is: 411,235.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,724.87 : 744,806.13 = 298,002.24 : x
  2. Step 2: Convert to fraction form
    539,724.87/744,806.13 = 298,002.24/x
  3. Step 3: Cross multiply
    539,724.87x = 744,806.13 × 298,002.24
  4. Step 4: Simplify right side
    539,724.87x = 221,953,895,105.73
  5. Step 5: Solve for x
    x = 221,953,895,105.73/539,724.87
  6. Step 6: Final answer
    x = 411,235.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.