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Finding the Fourth Proportional to 416,306.42, 624,471.48 and 131,998.24

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Solution

The fourth proportional to 416,306.42, 624,471.48 and 131,998.24 is: 198,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,306.42 : 624,471.48 = 131,998.24 : x
  2. Step 2: Convert to fraction form
    416,306.42/624,471.48 = 131,998.24/x
  3. Step 3: Cross multiply
    416,306.42x = 624,471.48 × 131,998.24
  4. Step 4: Simplify right side
    416,306.42x = 82,429,137,521.38
  5. Step 5: Solve for x
    x = 82,429,137,521.38/416,306.42
  6. Step 6: Final answer
    x = 198,001.12

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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.