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Finding the Fourth Proportional to 539,502.25, 744,513.17 and 297,784.88

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Solution

The fourth proportional to 539,502.25, 744,513.17 and 297,784.88 is: 410,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,502.25 : 744,513.17 = 297,784.88 : x
  2. Step 2: Convert to fraction form
    539,502.25/744,513.17 = 297,784.88/x
  3. Step 3: Cross multiply
    539,502.25x = 744,513.17 × 297,784.88
  4. Step 4: Simplify right side
    539,502.25x = 221,704,763,497.95
  5. Step 5: Solve for x
    x = 221,704,763,497.95/539,502.25
  6. Step 6: Final answer
    x = 410,943.17

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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.