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Finding the Fourth Proportional to 220,580.73, 304,432.97 and 123,794.91

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Solution

The fourth proportional to 220,580.73, 304,432.97 and 123,794.91 is: 170,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,580.73 : 304,432.97 = 123,794.91 : x
  2. Step 2: Convert to fraction form
    220,580.73/304,432.97 = 123,794.91/x
  3. Step 3: Cross multiply
    220,580.73x = 304,432.97 × 123,794.91
  4. Step 4: Simplify right side
    220,580.73x = 37,687,251,503.21
  5. Step 5: Solve for x
    x = 37,687,251,503.21/220,580.73
  6. Step 6: Final answer
    x = 170,854.69

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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.