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Finding the Fourth Proportional to 482,088.76, 665,212.64 and 267,228.76

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Solution

The fourth proportional to 482,088.76, 665,212.64 and 267,228.76 is: 368,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,088.76 : 665,212.64 = 267,228.76 : x
  2. Step 2: Convert to fraction form
    482,088.76/665,212.64 = 267,228.76/x
  3. Step 3: Cross multiply
    482,088.76x = 665,212.64 × 267,228.76
  4. Step 4: Simplify right side
    482,088.76x = 177,763,948,923.53
  5. Step 5: Solve for x
    x = 177,763,948,923.53/482,088.76
  6. Step 6: Final answer
    x = 368,736.97

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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.