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Finding the Fourth Proportional to 351,475.80, 527,187.38 and 126,836.22

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Solution

The fourth proportional to 351,475.80, 527,187.38 and 126,836.22 is: 190,244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,475.80 : 527,187.38 = 126,836.22 : x
  2. Step 2: Convert to fraction form
    351,475.80/527,187.38 = 126,836.22/x
  3. Step 3: Cross multiply
    351,475.80x = 527,187.38 × 126,836.22
  4. Step 4: Simplify right side
    351,475.80x = 66,866,454,510.90
  5. Step 5: Solve for x
    x = 66,866,454,510.90/351,475.80
  6. Step 6: Final answer
    x = 190,244.83

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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.