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Finding the Fourth Proportional to 323,553.88, 485,332.04 and 98,913.44

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Solution

The fourth proportional to 323,553.88, 485,332.04 and 98,913.44 is: 148,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,553.88 : 485,332.04 = 98,913.44 : x
  2. Step 2: Convert to fraction form
    323,553.88/485,332.04 = 98,913.44/x
  3. Step 3: Cross multiply
    323,553.88x = 485,332.04 × 98,913.44
  4. Step 4: Simplify right side
    323,553.88x = 48,005,861,618.62
  5. Step 5: Solve for x
    x = 48,005,861,618.62/323,553.88
  6. Step 6: Final answer
    x = 148,370.53

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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.