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Finding the Fourth Proportional to 307,306.74, 461,175.58 and 127,394.94

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Solution

The fourth proportional to 307,306.74, 461,175.58 and 127,394.94 is: 191,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,306.74 : 461,175.58 = 127,394.94 : x
  2. Step 2: Convert to fraction form
    307,306.74/461,175.58 = 127,394.94/x
  3. Step 3: Cross multiply
    307,306.74x = 461,175.58 × 127,394.94
  4. Step 4: Simplify right side
    307,306.74x = 58,751,435,343.57
  5. Step 5: Solve for x
    x = 58,751,435,343.57/307,306.74
  6. Step 6: Final answer
    x = 191,181.73

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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.