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Finding the Fourth Proportional to 491,506.56, 737,437.56 and 171,705.84

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Solution

The fourth proportional to 491,506.56, 737,437.56 and 171,705.84 is: 257,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,506.56 : 737,437.56 = 171,705.84 : x
  2. Step 2: Convert to fraction form
    491,506.56/737,437.56 = 171,705.84/x
  3. Step 3: Cross multiply
    491,506.56x = 737,437.56 × 171,705.84
  4. Step 4: Simplify right side
    491,506.56x = 126,622,335,687.35
  5. Step 5: Solve for x
    x = 126,622,335,687.35/491,506.56
  6. Step 6: Final answer
    x = 257,620.85

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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.