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Finding the Fourth Proportional to 415,105.14, 622,854.54 and 246,957.65

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Solution

The fourth proportional to 415,105.14, 622,854.54 and 246,957.65 is: 370,553.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,105.14 : 622,854.54 = 246,957.65 : x
  2. Step 2: Convert to fraction form
    415,105.14/622,854.54 = 246,957.65/x
  3. Step 3: Cross multiply
    415,105.14x = 622,854.54 × 246,957.65
  4. Step 4: Simplify right side
    415,105.14x = 153,818,690,375.96
  5. Step 5: Solve for x
    x = 153,818,690,375.96/415,105.14
  6. Step 6: Final answer
    x = 370,553.57

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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.