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Finding the Fourth Proportional to 482,098.06, 665,225.40 and 267,238

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Solution

The fourth proportional to 482,098.06, 665,225.40 and 267,238 is: 368,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,098.06 : 665,225.40 = 267,238 : x
  2. Step 2: Convert to fraction form
    482,098.06/665,225.40 = 267,238/x
  3. Step 3: Cross multiply
    482,098.06x = 665,225.40 × 267,238
  4. Step 4: Simplify right side
    482,098.06x = 177,773,505,445.20
  5. Step 5: Solve for x
    x = 177,773,505,445.20/482,098.06
  6. Step 6: Final answer
    x = 368,749.68

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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.