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Finding the Fourth Proportional to 559,261.20, 838,891.80 and 185,284.20

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Solution

The fourth proportional to 559,261.20, 838,891.80 and 185,284.20 is: 277,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,261.20 : 838,891.80 = 185,284.20 : x
  2. Step 2: Convert to fraction form
    559,261.20/838,891.80 = 185,284.20/x
  3. Step 3: Cross multiply
    559,261.20x = 838,891.80 × 185,284.20
  4. Step 4: Simplify right side
    559,261.20x = 155,433,396,049.56
  5. Step 5: Solve for x
    x = 155,433,396,049.56/559,261.20
  6. Step 6: Final answer
    x = 277,926.30

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Similar ratio
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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.