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Finding the Fourth Proportional to 534,617.90, 802,704.45 and 402,425.90

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Solution

The fourth proportional to 534,617.90, 802,704.45 and 402,425.90 is: 604,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,617.90 : 802,704.45 = 402,425.90 : x
  2. Step 2: Convert to fraction form
    534,617.90/802,704.45 = 402,425.90/x
  3. Step 3: Cross multiply
    534,617.90x = 802,704.45 × 402,425.90
  4. Step 4: Simplify right side
    534,617.90x = 323,029,060,725.26
  5. Step 5: Solve for x
    x = 323,029,060,725.26/534,617.90
  6. Step 6: Final answer
    x = 604,224.18

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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.