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Finding the Fourth Proportional to 351,414.68, 527,117.36 and 85,177.51

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Solution

The fourth proportional to 351,414.68, 527,117.36 and 85,177.51 is: 127,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,414.68 : 527,117.36 = 85,177.51 : x
  2. Step 2: Convert to fraction form
    351,414.68/527,117.36 = 85,177.51/x
  3. Step 3: Cross multiply
    351,414.68x = 527,117.36 × 85,177.51
  4. Step 4: Simplify right side
    351,414.68x = 44,898,542,458.89
  5. Step 5: Solve for x
    x = 44,898,542,458.89/351,414.68
  6. Step 6: Final answer
    x = 127,765.13

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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.