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Finding the Fourth Proportional to 539,216.60, 744,121.52 and 297,499.16

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Solution

The fourth proportional to 539,216.60, 744,121.52 and 297,499.16 is: 410,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,216.60 : 744,121.52 = 297,499.16 : x
  2. Step 2: Convert to fraction form
    539,216.60/744,121.52 = 297,499.16/x
  3. Step 3: Cross multiply
    539,216.60x = 744,121.52 × 297,499.16
  4. Step 4: Simplify right side
    539,216.60x = 221,375,527,137.92
  5. Step 5: Solve for x
    x = 221,375,527,137.92/539,216.60
  6. Step 6: Final answer
    x = 410,550.28

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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.