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Finding the Fourth Proportional to 895,987.20, 1,344,180 and 327,367.20

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Solution

The fourth proportional to 895,987.20, 1,344,180 and 327,367.20 is: 491,123.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,987.20 : 1,344,180 = 327,367.20 : x
  2. Step 2: Convert to fraction form
    895,987.20/1,344,180 = 327,367.20/x
  3. Step 3: Cross multiply
    895,987.20x = 1,344,180 × 327,367.20
  4. Step 4: Simplify right side
    895,987.20x = 440,040,442,896
  5. Step 5: Solve for x
    x = 440,040,442,896/895,987.20
  6. Step 6: Final answer
    x = 491,123.58

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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.