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Finding the Fourth Proportional to 544,135.55, 816,205.22 and 165,059.55

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Solution

The fourth proportional to 544,135.55, 816,205.22 and 165,059.55 is: 247,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,135.55 : 816,205.22 = 165,059.55 : x
  2. Step 2: Convert to fraction form
    544,135.55/816,205.22 = 165,059.55/x
  3. Step 3: Cross multiply
    544,135.55x = 816,205.22 × 165,059.55
  4. Step 4: Simplify right side
    544,135.55x = 134,722,466,320.85
  5. Step 5: Solve for x
    x = 134,722,466,320.85/544,135.55
  6. Step 6: Final answer
    x = 247,589.90

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Similar ratio
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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.