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Finding the Fourth Proportional to 408,323.56, 563,487.03 and 227,033.56

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Solution

The fourth proportional to 408,323.56, 563,487.03 and 227,033.56 is: 313,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,323.56 : 563,487.03 = 227,033.56 : x
  2. Step 2: Convert to fraction form
    408,323.56/563,487.03 = 227,033.56/x
  3. Step 3: Cross multiply
    408,323.56x = 563,487.03 × 227,033.56
  4. Step 4: Simplify right side
    408,323.56x = 127,930,466,434.73
  5. Step 5: Solve for x
    x = 127,930,466,434.73/408,323.56
  6. Step 6: Final answer
    x = 313,306.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.