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Finding the Fourth Proportional to 491,500.76, 737,349.54 and 154,626.20

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Solution

The fourth proportional to 491,500.76, 737,349.54 and 154,626.20 is: 231,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,500.76 : 737,349.54 = 154,626.20 : x
  2. Step 2: Convert to fraction form
    491,500.76/737,349.54 = 154,626.20/x
  3. Step 3: Cross multiply
    491,500.76x = 737,349.54 × 154,626.20
  4. Step 4: Simplify right side
    491,500.76x = 114,013,557,441.95
  5. Step 5: Solve for x
    x = 114,013,557,441.95/491,500.76
  6. Step 6: Final answer
    x = 231,970.26

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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.