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Finding the Fourth Proportional to 264,348.66, 396,538.42 and 74,793.17

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Solution

The fourth proportional to 264,348.66, 396,538.42 and 74,793.17 is: 112,194.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,348.66 : 396,538.42 = 74,793.17 : x
  2. Step 2: Convert to fraction form
    264,348.66/396,538.42 = 74,793.17/x
  3. Step 3: Cross multiply
    264,348.66x = 396,538.42 × 74,793.17
  4. Step 4: Simplify right side
    264,348.66x = 29,658,366,087.66
  5. Step 5: Solve for x
    x = 29,658,366,087.66/264,348.66
  6. Step 6: Final answer
    x = 112,194.12

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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.