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Finding the Fourth Proportional to 338,326.88, 466,906.28 and 187,414.16

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Solution

The fourth proportional to 338,326.88, 466,906.28 and 187,414.16 is: 258,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,326.88 : 466,906.28 = 187,414.16 : x
  2. Step 2: Convert to fraction form
    338,326.88/466,906.28 = 187,414.16/x
  3. Step 3: Cross multiply
    338,326.88x = 466,906.28 × 187,414.16
  4. Step 4: Simplify right side
    338,326.88x = 87,504,848,264.92
  5. Step 5: Solve for x
    x = 87,504,848,264.92/338,326.88
  6. Step 6: Final answer
    x = 258,639.95

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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.