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Finding the Fourth Proportional to 557,939.56, 836,715.42 and 238,078.48

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Solution

The fourth proportional to 557,939.56, 836,715.42 and 238,078.48 is: 357,034.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,939.56 : 836,715.42 = 238,078.48 : x
  2. Step 2: Convert to fraction form
    557,939.56/836,715.42 = 238,078.48/x
  3. Step 3: Cross multiply
    557,939.56x = 836,715.42 × 238,078.48
  4. Step 4: Simplify right side
    557,939.56x = 199,203,935,386.16
  5. Step 5: Solve for x
    x = 199,203,935,386.16/557,939.56
  6. Step 6: Final answer
    x = 357,034.97

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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.