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Finding the Fourth Proportional to 491,692.20, 737,538.30 and 159,268.20

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Solution

The fourth proportional to 491,692.20, 737,538.30 and 159,268.20 is: 238,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,692.20 : 737,538.30 = 159,268.20 : x
  2. Step 2: Convert to fraction form
    491,692.20/737,538.30 = 159,268.20/x
  3. Step 3: Cross multiply
    491,692.20x = 737,538.30 × 159,268.20
  4. Step 4: Simplify right side
    491,692.20x = 117,466,397,472.06
  5. Step 5: Solve for x
    x = 117,466,397,472.06/491,692.20
  6. Step 6: Final answer
    x = 238,902.30

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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.