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Finding the Fourth Proportional to 329,610.60, 493,759.80 and 171,927.90

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Solution

The fourth proportional to 329,610.60, 493,759.80 and 171,927.90 is: 257,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,610.60 : 493,759.80 = 171,927.90 : x
  2. Step 2: Convert to fraction form
    329,610.60/493,759.80 = 171,927.90/x
  3. Step 3: Cross multiply
    329,610.60x = 493,759.80 × 171,927.90
  4. Step 4: Simplify right side
    329,610.60x = 84,891,085,518.42
  5. Step 5: Solve for x
    x = 84,891,085,518.42/329,610.60
  6. Step 6: Final answer
    x = 257,549.62

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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.