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Finding the Fourth Proportional to 482,856.68, 666,310.92 and 267,996.80

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Solution

The fourth proportional to 482,856.68, 666,310.92 and 267,996.80 is: 369,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,856.68 : 666,310.92 = 267,996.80 : x
  2. Step 2: Convert to fraction form
    482,856.68/666,310.92 = 267,996.80/x
  3. Step 3: Cross multiply
    482,856.68x = 666,310.92 × 267,996.80
  4. Step 4: Simplify right side
    482,856.68x = 178,569,194,365.06
  5. Step 5: Solve for x
    x = 178,569,194,365.06/482,856.68
  6. Step 6: Final answer
    x = 369,818.21

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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.