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Finding the Fourth Proportional to 482,099.40, 665,252.46 and 267,221.18

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Solution

The fourth proportional to 482,099.40, 665,252.46 and 267,221.18 is: 368,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,099.40 : 665,252.46 = 267,221.18 : x
  2. Step 2: Convert to fraction form
    482,099.40/665,252.46 = 267,221.18/x
  3. Step 3: Cross multiply
    482,099.40x = 665,252.46 × 267,221.18
  4. Step 4: Simplify right side
    482,099.40x = 177,769,549,022.23
  5. Step 5: Solve for x
    x = 177,769,549,022.23/482,099.40
  6. Step 6: Final answer
    x = 368,740.45

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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.