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Finding the Fourth Proportional to 484,820.67, 669,046.16 and 267,025.17

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Solution

The fourth proportional to 484,820.67, 669,046.16 and 267,025.17 is: 368,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,820.67 : 669,046.16 = 267,025.17 : x
  2. Step 2: Convert to fraction form
    484,820.67/669,046.16 = 267,025.17/x
  3. Step 3: Cross multiply
    484,820.67x = 669,046.16 × 267,025.17
  4. Step 4: Simplify right side
    484,820.67x = 178,652,163,276.72
  5. Step 5: Solve for x
    x = 178,652,163,276.72/484,820.67
  6. Step 6: Final answer
    x = 368,491.23

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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.