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Finding the Fourth Proportional to 491,779.44, 737,604.57 and 154,821.87

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Solution

The fourth proportional to 491,779.44, 737,604.57 and 154,821.87 is: 232,212.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,779.44 : 737,604.57 = 154,821.87 : x
  2. Step 2: Convert to fraction form
    491,779.44/737,604.57 = 154,821.87/x
  3. Step 3: Cross multiply
    491,779.44x = 737,604.57 × 154,821.87
  4. Step 4: Simplify right side
    491,779.44x = 114,197,318,847.95
  5. Step 5: Solve for x
    x = 114,197,318,847.95/491,779.44
  6. Step 6: Final answer
    x = 232,212.47

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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.