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Finding the Fourth Proportional to 482,340.60, 665,631.81 and 267,500.52

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Solution

The fourth proportional to 482,340.60, 665,631.81 and 267,500.52 is: 369,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,340.60 : 665,631.81 = 267,500.52 : x
  2. Step 2: Convert to fraction form
    482,340.60/665,631.81 = 267,500.52/x
  3. Step 3: Cross multiply
    482,340.60x = 665,631.81 × 267,500.52
  4. Step 4: Simplify right side
    482,340.60x = 178,056,855,303.54
  5. Step 5: Solve for x
    x = 178,056,855,303.54/482,340.60
  6. Step 6: Final answer
    x = 369,151.71

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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.