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Finding the Fourth Proportional to 491,692.40, 737,772.60 and 176,181.20

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Solution

The fourth proportional to 491,692.40, 737,772.60 and 176,181.20 is: 264,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,692.40 : 737,772.60 = 176,181.20 : x
  2. Step 2: Convert to fraction form
    491,692.40/737,772.60 = 176,181.20/x
  3. Step 3: Cross multiply
    491,692.40x = 737,772.60 × 176,181.20
  4. Step 4: Simplify right side
    491,692.40x = 129,981,661,995.12
  5. Step 5: Solve for x
    x = 129,981,661,995.12/491,692.40
  6. Step 6: Final answer
    x = 264,355.65

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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.