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Finding the Fourth Proportional to 267,227.01, 400,830.80 and 80,233.65

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Solution

The fourth proportional to 267,227.01, 400,830.80 and 80,233.65 is: 120,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,227.01 : 400,830.80 = 80,233.65 : x
  2. Step 2: Convert to fraction form
    267,227.01/400,830.80 = 80,233.65/x
  3. Step 3: Cross multiply
    267,227.01x = 400,830.80 × 80,233.65
  4. Step 4: Simplify right side
    267,227.01x = 32,160,117,715.25
  5. Step 5: Solve for x
    x = 32,160,117,715.25/267,227.01
  6. Step 6: Final answer
    x = 120,347.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.