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Finding the Fourth Proportional to 502,455.96, 753,260.21 and 217,932.27

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Solution

The fourth proportional to 502,455.96, 753,260.21 and 217,932.27 is: 326,714.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,455.96 : 753,260.21 = 217,932.27 : x
  2. Step 2: Convert to fraction form
    502,455.96/753,260.21 = 217,932.27/x
  3. Step 3: Cross multiply
    502,455.96x = 753,260.21 × 217,932.27
  4. Step 4: Simplify right side
    502,455.96x = 164,159,708,605.92
  5. Step 5: Solve for x
    x = 164,159,708,605.92/502,455.96
  6. Step 6: Final answer
    x = 326,714.62

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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.