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Finding the Fourth Proportional to 502,475.91, 753,551.89 and 165,436.32

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Solution

The fourth proportional to 502,475.91, 753,551.89 and 165,436.32 is: 248,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,475.91 : 753,551.89 = 165,436.32 : x
  2. Step 2: Convert to fraction form
    502,475.91/753,551.89 = 165,436.32/x
  3. Step 3: Cross multiply
    502,475.91x = 753,551.89 × 165,436.32
  4. Step 4: Simplify right side
    502,475.91x = 124,664,851,610.65
  5. Step 5: Solve for x
    x = 124,664,851,610.65/502,475.91
  6. Step 6: Final answer
    x = 248,101.15

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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.