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Finding the Fourth Proportional to 416,227.10, 574,393.39 and 225,240.49

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Solution

The fourth proportional to 416,227.10, 574,393.39 and 225,240.49 is: 310,831.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,227.10 : 574,393.39 = 225,240.49 : x
  2. Step 2: Convert to fraction form
    416,227.10/574,393.39 = 225,240.49/x
  3. Step 3: Cross multiply
    416,227.10x = 574,393.39 × 225,240.49
  4. Step 4: Simplify right side
    416,227.10x = 129,376,648,422.75
  5. Step 5: Solve for x
    x = 129,376,648,422.75/416,227.10
  6. Step 6: Final answer
    x = 310,831.87

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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.