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Finding the Fourth Proportional to 338,241.42, 466,747.47 and 187,335.18

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Solution

The fourth proportional to 338,241.42, 466,747.47 and 187,335.18 is: 258,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,241.42 : 466,747.47 = 187,335.18 : x
  2. Step 2: Convert to fraction form
    338,241.42/466,747.47 = 187,335.18/x
  3. Step 3: Cross multiply
    338,241.42x = 466,747.47 × 187,335.18
  4. Step 4: Simplify right side
    338,241.42x = 87,438,221,306.99
  5. Step 5: Solve for x
    x = 87,438,221,306.99/338,241.42
  6. Step 6: Final answer
    x = 258,508.32

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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.