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Finding the Fourth Proportional to 437,687.85, 656,531.73 and 226,882.92

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Solution

The fourth proportional to 437,687.85, 656,531.73 and 226,882.92 is: 340,324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,687.85 : 656,531.73 = 226,882.92 : x
  2. Step 2: Convert to fraction form
    437,687.85/656,531.73 = 226,882.92/x
  3. Step 3: Cross multiply
    437,687.85x = 656,531.73 × 226,882.92
  4. Step 4: Simplify right side
    437,687.85x = 148,955,835,975.05
  5. Step 5: Solve for x
    x = 148,955,835,975.05/437,687.85
  6. Step 6: Final answer
    x = 340,324.36

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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.