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Finding the Fourth Proportional to 555,286.38, 832,824.54 and 270,691.26

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Solution

The fourth proportional to 555,286.38, 832,824.54 and 270,691.26 is: 405,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,286.38 : 832,824.54 = 270,691.26 : x
  2. Step 2: Convert to fraction form
    555,286.38/832,824.54 = 270,691.26/x
  3. Step 3: Cross multiply
    555,286.38x = 832,824.54 × 270,691.26
  4. Step 4: Simplify right side
    555,286.38x = 225,438,324,091.52
  5. Step 5: Solve for x
    x = 225,438,324,091.52/555,286.38
  6. Step 6: Final answer
    x = 405,985.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.