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Finding the Fourth Proportional to 502,481.91, 753,560.85 and 165,442.29

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Solution

The fourth proportional to 502,481.91, 753,560.85 and 165,442.29 is: 248,110.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,481.91 : 753,560.85 = 165,442.29 : x
  2. Step 2: Convert to fraction form
    502,481.91/753,560.85 = 165,442.29/x
  3. Step 3: Cross multiply
    502,481.91x = 753,560.85 × 165,442.29
  4. Step 4: Simplify right side
    502,481.91x = 124,670,832,678.35
  5. Step 5: Solve for x
    x = 124,670,832,678.35/502,481.91
  6. Step 6: Final answer
    x = 248,110.09

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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.