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Finding the Fourth Proportional to 322,894.11, 484,359.36 and 98,261.85

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Solution

The fourth proportional to 322,894.11, 484,359.36 and 98,261.85 is: 147,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,894.11 : 484,359.36 = 98,261.85 : x
  2. Step 2: Convert to fraction form
    322,894.11/484,359.36 = 98,261.85/x
  3. Step 3: Cross multiply
    322,894.11x = 484,359.36 × 98,261.85
  4. Step 4: Simplify right side
    322,894.11x = 47,594,046,778.42
  5. Step 5: Solve for x
    x = 47,594,046,778.42/322,894.11
  6. Step 6: Final answer
    x = 147,398.31

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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.