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Finding the Fourth Proportional to 297,937.78, 446,910.81 and 165,077.53

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Solution

The fourth proportional to 297,937.78, 446,910.81 and 165,077.53 is: 247,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,937.78 : 446,910.81 = 165,077.53 : x
  2. Step 2: Convert to fraction form
    297,937.78/446,910.81 = 165,077.53/x
  3. Step 3: Cross multiply
    297,937.78x = 446,910.81 × 165,077.53
  4. Step 4: Simplify right side
    297,937.78x = 73,774,932,645.10
  5. Step 5: Solve for x
    x = 73,774,932,645.10/297,937.78
  6. Step 6: Final answer
    x = 247,618.59

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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.