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Finding the Fourth Proportional to 502,781.40, 754,417.80 and 236,568.24

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Solution

The fourth proportional to 502,781.40, 754,417.80 and 236,568.24 is: 354,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,781.40 : 754,417.80 = 236,568.24 : x
  2. Step 2: Convert to fraction form
    502,781.40/754,417.80 = 236,568.24/x
  3. Step 3: Cross multiply
    502,781.40x = 754,417.80 × 236,568.24
  4. Step 4: Simplify right side
    502,781.40x = 178,471,291,170.67
  5. Step 5: Solve for x
    x = 178,471,291,170.67/502,781.40
  6. Step 6: Final answer
    x = 354,967.97

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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.