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Finding the Fourth Proportional to 482,570.29, 665,947.78 and 267,710.35

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Solution

The fourth proportional to 482,570.29, 665,947.78 and 267,710.35 is: 369,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,570.29 : 665,947.78 = 267,710.35 : x
  2. Step 2: Convert to fraction form
    482,570.29/665,947.78 = 267,710.35/x
  3. Step 3: Cross multiply
    482,570.29x = 665,947.78 × 267,710.35
  4. Step 4: Simplify right side
    482,570.29x = 178,281,113,265.52
  5. Step 5: Solve for x
    x = 178,281,113,265.52/482,570.29
  6. Step 6: Final answer
    x = 369,440.72

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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.