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Finding the Fourth Proportional to 539,512.86, 744,517.35 and 297,781.26

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Solution

The fourth proportional to 539,512.86, 744,517.35 and 297,781.26 is: 410,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,512.86 : 744,517.35 = 297,781.26 : x
  2. Step 2: Convert to fraction form
    539,512.86/744,517.35 = 297,781.26/x
  3. Step 3: Cross multiply
    539,512.86x = 744,517.35 × 297,781.26
  4. Step 4: Simplify right side
    539,512.86x = 221,703,314,574.86
  5. Step 5: Solve for x
    x = 221,703,314,574.86/539,512.86
  6. Step 6: Final answer
    x = 410,932.40

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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.