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Finding the Fourth Proportional to 534,677.62, 802,142.18 and 155,606.53

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Solution

The fourth proportional to 534,677.62, 802,142.18 and 155,606.53 is: 233,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,677.62 : 802,142.18 = 155,606.53 : x
  2. Step 2: Convert to fraction form
    534,677.62/802,142.18 = 155,606.53/x
  3. Step 3: Cross multiply
    534,677.62x = 802,142.18 × 155,606.53
  4. Step 4: Simplify right side
    534,677.62x = 124,818,561,196.44
  5. Step 5: Solve for x
    x = 124,818,561,196.44/534,677.62
  6. Step 6: Final answer
    x = 233,446.39

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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.