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Finding the Fourth Proportional to 311,524.88, 467,287.26 and 74,867.55

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Solution

The fourth proportional to 311,524.88, 467,287.26 and 74,867.55 is: 112,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,524.88 : 467,287.26 = 74,867.55 : x
  2. Step 2: Convert to fraction form
    311,524.88/467,287.26 = 74,867.55/x
  3. Step 3: Cross multiply
    311,524.88x = 467,287.26 × 74,867.55
  4. Step 4: Simplify right side
    311,524.88x = 34,984,652,302.41
  5. Step 5: Solve for x
    x = 34,984,652,302.41/311,524.88
  6. Step 6: Final answer
    x = 112,301.31

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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.