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Finding the Fourth Proportional to 491,722.20, 737,583.30 and 159,298.20

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Solution

The fourth proportional to 491,722.20, 737,583.30 and 159,298.20 is: 238,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,722.20 : 737,583.30 = 159,298.20 : x
  2. Step 2: Convert to fraction form
    491,722.20/737,583.30 = 159,298.20/x
  3. Step 3: Cross multiply
    491,722.20x = 737,583.30 × 159,298.20
  4. Step 4: Simplify right side
    491,722.20x = 117,495,692,040.06
  5. Step 5: Solve for x
    x = 117,495,692,040.06/491,722.20
  6. Step 6: Final answer
    x = 238,947.30

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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.