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Finding the Fourth Proportional to 502,861.49, 754,385.01 and 165,925.43

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Solution

The fourth proportional to 502,861.49, 754,385.01 and 165,925.43 is: 248,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,861.49 : 754,385.01 = 165,925.43 : x
  2. Step 2: Convert to fraction form
    502,861.49/754,385.01 = 165,925.43/x
  3. Step 3: Cross multiply
    502,861.49x = 754,385.01 × 165,925.43
  4. Step 4: Simplify right side
    502,861.49x = 125,171,653,397.88
  5. Step 5: Solve for x
    x = 125,171,653,397.88/502,861.49
  6. Step 6: Final answer
    x = 248,918.75

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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.