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Finding the Fourth Proportional to 502,679.72, 754,556.72 and 203,355.97

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Solution

The fourth proportional to 502,679.72, 754,556.72 and 203,355.97 is: 305,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,679.72 : 754,556.72 = 203,355.97 : x
  2. Step 2: Convert to fraction form
    502,679.72/754,556.72 = 203,355.97/x
  3. Step 3: Cross multiply
    502,679.72x = 754,556.72 × 203,355.97
  4. Step 4: Simplify right side
    502,679.72x = 153,443,610,812.45
  5. Step 5: Solve for x
    x = 153,443,610,812.45/502,679.72
  6. Step 6: Final answer
    x = 305,251.24

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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.