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Finding the Fourth Proportional to 502,617.68, 753,502.59 and 218,094.29

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Solution

The fourth proportional to 502,617.68, 753,502.59 and 218,094.29 is: 326,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,617.68 : 753,502.59 = 218,094.29 : x
  2. Step 2: Convert to fraction form
    502,617.68/753,502.59 = 218,094.29/x
  3. Step 3: Cross multiply
    502,617.68x = 753,502.59 × 218,094.29
  4. Step 4: Simplify right side
    502,617.68x = 164,334,614,262.97
  5. Step 5: Solve for x
    x = 164,334,614,262.97/502,617.68
  6. Step 6: Final answer
    x = 326,957.49

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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.