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Finding the Fourth Proportional to 551,190.30, 826,785.45 and 177,251.10

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Solution

The fourth proportional to 551,190.30, 826,785.45 and 177,251.10 is: 265,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,190.30 : 826,785.45 = 177,251.10 : x
  2. Step 2: Convert to fraction form
    551,190.30/826,785.45 = 177,251.10/x
  3. Step 3: Cross multiply
    551,190.30x = 826,785.45 × 177,251.10
  4. Step 4: Simplify right side
    551,190.30x = 146,548,630,476.50
  5. Step 5: Solve for x
    x = 146,548,630,476.50/551,190.30
  6. Step 6: Final answer
    x = 265,876.65

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Double scale
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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.