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Finding the Fourth Proportional to 502,224.03, 752,548.59 and 427,034.97

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Solution

The fourth proportional to 502,224.03, 752,548.59 and 427,034.97 is: 639,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,224.03 : 752,548.59 = 427,034.97 : x
  2. Step 2: Convert to fraction form
    502,224.03/752,548.59 = 427,034.97/x
  3. Step 3: Cross multiply
    502,224.03x = 752,548.59 × 427,034.97
  4. Step 4: Simplify right side
    502,224.03x = 321,364,564,554.19
  5. Step 5: Solve for x
    x = 321,364,564,554.19/502,224.03
  6. Step 6: Final answer
    x = 639,882.89

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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.