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Finding the Fourth Proportional to 491,374.92, 737,083.44 and 171,559.08

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Solution

The fourth proportional to 491,374.92, 737,083.44 and 171,559.08 is: 257,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,374.92 : 737,083.44 = 171,559.08 : x
  2. Step 2: Convert to fraction form
    491,374.92/737,083.44 = 171,559.08/x
  3. Step 3: Cross multiply
    491,374.92x = 737,083.44 × 171,559.08
  4. Step 4: Simplify right side
    491,374.92x = 126,453,356,849.64
  5. Step 5: Solve for x
    x = 126,453,356,849.64/491,374.92
  6. Step 6: Final answer
    x = 257,345.97

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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.