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Finding the Fourth Proportional to 295,454.67, 443,144.85 and 82,238.58

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Solution

The fourth proportional to 295,454.67, 443,144.85 and 82,238.58 is: 123,347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,454.67 : 443,144.85 = 82,238.58 : x
  2. Step 2: Convert to fraction form
    295,454.67/443,144.85 = 82,238.58/x
  3. Step 3: Cross multiply
    295,454.67x = 443,144.85 × 82,238.58
  4. Step 4: Simplify right side
    295,454.67x = 36,443,603,198.31
  5. Step 5: Solve for x
    x = 36,443,603,198.31/295,454.67
  6. Step 6: Final answer
    x = 123,347.53

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1.5x scale

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.