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Finding the Fourth Proportional to 338,327, 466,891.30 and 187,433.72

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Solution

The fourth proportional to 338,327, 466,891.30 and 187,433.72 is: 258,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,327 : 466,891.30 = 187,433.72 : x
  2. Step 2: Convert to fraction form
    338,327/466,891.30 = 187,433.72/x
  3. Step 3: Cross multiply
    338,327x = 466,891.30 × 187,433.72
  4. Step 4: Simplify right side
    338,327x = 87,511,173,194.64
  5. Step 5: Solve for x
    x = 87,511,173,194.64/338,327
  6. Step 6: Final answer
    x = 258,658.56

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1.5x scale

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.