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Finding the Fourth Proportional to 551,844.60, 827,766.90 and 196,870.20

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Solution

The fourth proportional to 551,844.60, 827,766.90 and 196,870.20 is: 295,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,844.60 : 827,766.90 = 196,870.20 : x
  2. Step 2: Convert to fraction form
    551,844.60/827,766.90 = 196,870.20/x
  3. Step 3: Cross multiply
    551,844.60x = 827,766.90 × 196,870.20
  4. Step 4: Simplify right side
    551,844.60x = 162,962,635,156.38
  5. Step 5: Solve for x
    x = 162,962,635,156.38/551,844.60
  6. Step 6: Final answer
    x = 295,305.30

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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.