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Finding the Fourth Proportional to 551,434.60, 827,151.90 and 196,460.20

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Solution

The fourth proportional to 551,434.60, 827,151.90 and 196,460.20 is: 294,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,434.60 : 827,151.90 = 196,460.20 : x
  2. Step 2: Convert to fraction form
    551,434.60/827,151.90 = 196,460.20/x
  3. Step 3: Cross multiply
    551,434.60x = 827,151.90 × 196,460.20
  4. Step 4: Simplify right side
    551,434.60x = 162,502,427,704.38
  5. Step 5: Solve for x
    x = 162,502,427,704.38/551,434.60
  6. Step 6: Final answer
    x = 294,690.30

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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.