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Finding the Fourth Proportional to 491,540.48, 736,735.32 and 187,735.52

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Solution

The fourth proportional to 491,540.48, 736,735.32 and 187,735.52 is: 281,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,540.48 : 736,735.32 = 187,735.52 : x
  2. Step 2: Convert to fraction form
    491,540.48/736,735.32 = 187,735.52/x
  3. Step 3: Cross multiply
    491,540.48x = 736,735.32 × 187,735.52
  4. Step 4: Simplify right side
    491,540.48x = 138,311,388,402.57
  5. Step 5: Solve for x
    x = 138,311,388,402.57/491,540.48
  6. Step 6: Final answer
    x = 281,383.52

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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.