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Finding the Fourth Proportional to 416,397.92, 574,625.22 and 225,406.40

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Solution

The fourth proportional to 416,397.92, 574,625.22 and 225,406.40 is: 311,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,397.92 : 574,625.22 = 225,406.40 : x
  2. Step 2: Convert to fraction form
    416,397.92/574,625.22 = 225,406.40/x
  3. Step 3: Cross multiply
    416,397.92x = 574,625.22 × 225,406.40
  4. Step 4: Simplify right side
    416,397.92x = 129,524,202,189.41
  5. Step 5: Solve for x
    x = 129,524,202,189.41/416,397.92
  6. Step 6: Final answer
    x = 311,058.72

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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.