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Finding the Fourth Proportional to 416,240.32, 574,411.60 and 225,253.68

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Solution

The fourth proportional to 416,240.32, 574,411.60 and 225,253.68 is: 310,850.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,240.32 : 574,411.60 = 225,253.68 : x
  2. Step 2: Convert to fraction form
    416,240.32/574,411.60 = 225,253.68/x
  3. Step 3: Cross multiply
    416,240.32x = 574,411.60 × 225,253.68
  4. Step 4: Simplify right side
    416,240.32x = 129,388,326,734.69
  5. Step 5: Solve for x
    x = 129,388,326,734.69/416,240.32
  6. Step 6: Final answer
    x = 310,850.06

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