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Finding the Fourth Proportional to 323,571.59, 485,357.38 and 98,932.03

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Solution

The fourth proportional to 323,571.59, 485,357.38 and 98,932.03 is: 148,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,571.59 : 485,357.38 = 98,932.03 : x
  2. Step 2: Convert to fraction form
    323,571.59/485,357.38 = 98,932.03/x
  3. Step 3: Cross multiply
    323,571.59x = 485,357.38 × 98,932.03
  4. Step 4: Simplify right side
    323,571.59x = 48,017,389,418.16
  5. Step 5: Solve for x
    x = 48,017,389,418.16/323,571.59
  6. Step 6: Final answer
    x = 148,398.04

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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.