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Finding the Fourth Proportional to 332,126.78, 458,340.24 and 181,223.78

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Solution

The fourth proportional to 332,126.78, 458,340.24 and 181,223.78 is: 250,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,126.78 : 458,340.24 = 181,223.78 : x
  2. Step 2: Convert to fraction form
    332,126.78/458,340.24 = 181,223.78/x
  3. Step 3: Cross multiply
    332,126.78x = 458,340.24 × 181,223.78
  4. Step 4: Simplify right side
    332,126.78x = 83,062,150,818.91
  5. Step 5: Solve for x
    x = 83,062,150,818.91/332,126.78
  6. Step 6: Final answer
    x = 250,091.70

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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.