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Finding the Fourth Proportional to 408,079.06, 563,135.62 and 224,318.24

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Solution

The fourth proportional to 408,079.06, 563,135.62 and 224,318.24 is: 309,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,079.06 : 563,135.62 = 224,318.24 : x
  2. Step 2: Convert to fraction form
    408,079.06/563,135.62 = 224,318.24/x
  3. Step 3: Cross multiply
    408,079.06x = 563,135.62 × 224,318.24
  4. Step 4: Simplify right side
    408,079.06x = 126,321,591,159.71
  5. Step 5: Solve for x
    x = 126,321,591,159.71/408,079.06
  6. Step 6: Final answer
    x = 309,551.76

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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.