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Finding the Fourth Proportional to 551,084.60, 826,626.90 and 236,156.60

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Solution

The fourth proportional to 551,084.60, 826,626.90 and 236,156.60 is: 354,234.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,084.60 : 826,626.90 = 236,156.60 : x
  2. Step 2: Convert to fraction form
    551,084.60/826,626.90 = 236,156.60/x
  3. Step 3: Cross multiply
    551,084.60x = 826,626.90 × 236,156.60
  4. Step 4: Simplify right side
    551,084.60x = 195,213,398,172.54
  5. Step 5: Solve for x
    x = 195,213,398,172.54/551,084.60
  6. Step 6: Final answer
    x = 354,234.90

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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.