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Finding the Fourth Proportional to 482,313.48, 665,591.32 and 267,448

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Solution

The fourth proportional to 482,313.48, 665,591.32 and 267,448 is: 369,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,313.48 : 665,591.32 = 267,448 : x
  2. Step 2: Convert to fraction form
    482,313.48/665,591.32 = 267,448/x
  3. Step 3: Cross multiply
    482,313.48x = 665,591.32 × 267,448
  4. Step 4: Simplify right side
    482,313.48x = 178,011,067,351.36
  5. Step 5: Solve for x
    x = 178,011,067,351.36/482,313.48
  6. Step 6: Final answer
    x = 369,077.53

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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.