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Finding the Fourth Proportional to 492,820.20, 739,230.30 and 160,396.20

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Solution

The fourth proportional to 492,820.20, 739,230.30 and 160,396.20 is: 240,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,820.20 : 739,230.30 = 160,396.20 : x
  2. Step 2: Convert to fraction form
    492,820.20/739,230.30 = 160,396.20/x
  3. Step 3: Cross multiply
    492,820.20x = 739,230.30 × 160,396.20
  4. Step 4: Simplify right side
    492,820.20x = 118,569,731,044.86
  5. Step 5: Solve for x
    x = 118,569,731,044.86/492,820.20
  6. Step 6: Final answer
    x = 240,594.30

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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.