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Finding the Fourth Proportional to 527,450.44, 790,646.46 and 261,404.20

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Solution

The fourth proportional to 527,450.44, 790,646.46 and 261,404.20 is: 391,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,450.44 : 790,646.46 = 261,404.20 : x
  2. Step 2: Convert to fraction form
    527,450.44/790,646.46 = 261,404.20/x
  3. Step 3: Cross multiply
    527,450.44x = 790,646.46 × 261,404.20
  4. Step 4: Simplify right side
    527,450.44x = 206,678,305,359.13
  5. Step 5: Solve for x
    x = 206,678,305,359.13/527,450.44
  6. Step 6: Final answer
    x = 391,844.03

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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.