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Finding the Fourth Proportional to 317,633.83, 438,277.50 and 179,811.82

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Solution

The fourth proportional to 317,633.83, 438,277.50 and 179,811.82 is: 248,107.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,633.83 : 438,277.50 = 179,811.82 : x
  2. Step 2: Convert to fraction form
    317,633.83/438,277.50 = 179,811.82/x
  3. Step 3: Cross multiply
    317,633.83x = 438,277.50 × 179,811.82
  4. Step 4: Simplify right side
    317,633.83x = 78,807,475,487.90
  5. Step 5: Solve for x
    x = 78,807,475,487.90/317,633.83
  6. Step 6: Final answer
    x = 248,107.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.