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Finding the Fourth Proportional to 416,247.74, 574,421.88 and 225,261.13

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Solution

The fourth proportional to 416,247.74, 574,421.88 and 225,261.13 is: 310,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,247.74 : 574,421.88 = 225,261.13 : x
  2. Step 2: Convert to fraction form
    416,247.74/574,421.88 = 225,261.13/x
  3. Step 3: Cross multiply
    416,247.74x = 574,421.88 × 225,261.13
  4. Step 4: Simplify right side
    416,247.74x = 129,394,921,785.52
  5. Step 5: Solve for x
    x = 129,394,921,785.52/416,247.74
  6. Step 6: Final answer
    x = 310,860.36

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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.