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Finding the Fourth Proportional to 441,540.25, 662,326.47 and 157,251.72

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Solution

The fourth proportional to 441,540.25, 662,326.47 and 157,251.72 is: 235,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,540.25 : 662,326.47 = 157,251.72 : x
  2. Step 2: Convert to fraction form
    441,540.25/662,326.47 = 157,251.72/x
  3. Step 3: Cross multiply
    441,540.25x = 662,326.47 × 157,251.72
  4. Step 4: Simplify right side
    441,540.25x = 104,151,976,609.03
  5. Step 5: Solve for x
    x = 104,151,976,609.03/441,540.25
  6. Step 6: Final answer
    x = 235,883.31

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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.