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Finding the Fourth Proportional to 482,500.74, 665,872.76 and 267,640.75

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Solution

The fourth proportional to 482,500.74, 665,872.76 and 267,640.75 is: 369,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,500.74 : 665,872.76 = 267,640.75 : x
  2. Step 2: Convert to fraction form
    482,500.74/665,872.76 = 267,640.75/x
  3. Step 3: Cross multiply
    482,500.74x = 665,872.76 × 267,640.75
  4. Step 4: Simplify right side
    482,500.74x = 178,214,680,223.40
  5. Step 5: Solve for x
    x = 178,214,680,223.40/482,500.74
  6. Step 6: Final answer
    x = 369,356.28

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1.5x scale

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.