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Finding the Fourth Proportional to 491,610.33, 737,425.22 and 154,643.85

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Solution

The fourth proportional to 491,610.33, 737,425.22 and 154,643.85 is: 231,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,610.33 : 737,425.22 = 154,643.85 : x
  2. Step 2: Convert to fraction form
    491,610.33/737,425.22 = 154,643.85/x
  3. Step 3: Cross multiply
    491,610.33x = 737,425.22 × 154,643.85
  4. Step 4: Simplify right side
    491,610.33x = 114,038,274,334.68
  5. Step 5: Solve for x
    x = 114,038,274,334.68/491,610.33
  6. Step 6: Final answer
    x = 231,968.83

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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.