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Finding the Fourth Proportional to 542,767.74, 748,922.67 and 327,763.86

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Solution

The fourth proportional to 542,767.74, 748,922.67 and 327,763.86 is: 452,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,767.74 : 748,922.67 = 327,763.86 : x
  2. Step 2: Convert to fraction form
    542,767.74/748,922.67 = 327,763.86/x
  3. Step 3: Cross multiply
    542,767.74x = 748,922.67 × 327,763.86
  4. Step 4: Simplify right side
    542,767.74x = 245,469,785,160.71
  5. Step 5: Solve for x
    x = 245,469,785,160.71/542,767.74
  6. Step 6: Final answer
    x = 452,255.66

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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.