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Finding the Fourth Proportional to 493,280.40, 739,920.60 and 227,559.90

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Solution

The fourth proportional to 493,280.40, 739,920.60 and 227,559.90 is: 341,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,280.40 : 739,920.60 = 227,559.90 : x
  2. Step 2: Convert to fraction form
    493,280.40/739,920.60 = 227,559.90/x
  3. Step 3: Cross multiply
    493,280.40x = 739,920.60 × 227,559.90
  4. Step 4: Simplify right side
    493,280.40x = 168,376,257,743.94
  5. Step 5: Solve for x
    x = 168,376,257,743.94/493,280.40
  6. Step 6: Final answer
    x = 341,339.85

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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.