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Finding the Fourth Proportional to 329,718.28, 494,216.62 and 169,803.90

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Solution

The fourth proportional to 329,718.28, 494,216.62 and 169,803.90 is: 254,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,718.28 : 494,216.62 = 169,803.90 : x
  2. Step 2: Convert to fraction form
    329,718.28/494,216.62 = 169,803.90/x
  3. Step 3: Cross multiply
    329,718.28x = 494,216.62 × 169,803.90
  4. Step 4: Simplify right side
    329,718.28x = 83,919,909,520.82
  5. Step 5: Solve for x
    x = 83,919,909,520.82/329,718.28
  6. Step 6: Final answer
    x = 254,520.04

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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.