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Finding the Fourth Proportional to 338,130.88, 466,646.88 and 187,241.92

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Solution

The fourth proportional to 338,130.88, 466,646.88 and 187,241.92 is: 258,408.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,130.88 : 466,646.88 = 187,241.92 : x
  2. Step 2: Convert to fraction form
    338,130.88/466,646.88 = 187,241.92/x
  3. Step 3: Cross multiply
    338,130.88x = 466,646.88 × 187,241.92
  4. Step 4: Simplify right side
    338,130.88x = 87,375,857,773.21
  5. Step 5: Solve for x
    x = 87,375,857,773.21/338,130.88
  6. Step 6: Final answer
    x = 258,408.39

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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.