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Finding the Fourth Proportional to 418,267.53, 577,207.67 and 237,013.97

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Solution

The fourth proportional to 418,267.53, 577,207.67 and 237,013.97 is: 327,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,267.53 : 577,207.67 = 237,013.97 : x
  2. Step 2: Convert to fraction form
    418,267.53/577,207.67 = 237,013.97/x
  3. Step 3: Cross multiply
    418,267.53x = 577,207.67 × 237,013.97
  4. Step 4: Simplify right side
    418,267.53x = 136,806,277,310.04
  5. Step 5: Solve for x
    x = 136,806,277,310.04/418,267.53
  6. Step 6: Final answer
    x = 327,078.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.