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Finding the Fourth Proportional to 329,717.28, 494,215.13 and 169,802.90

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Solution

The fourth proportional to 329,717.28, 494,215.13 and 169,802.90 is: 254,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,717.28 : 494,215.13 = 169,802.90 : x
  2. Step 2: Convert to fraction form
    329,717.28/494,215.13 = 169,802.90/x
  3. Step 3: Cross multiply
    329,717.28x = 494,215.13 × 169,802.90
  4. Step 4: Simplify right side
    329,717.28x = 83,919,158,977.79
  5. Step 5: Solve for x
    x = 83,919,158,977.79/329,717.28
  6. Step 6: Final answer
    x = 254,518.53

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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.