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Finding the Fourth Proportional to 322,961.98, 484,512.96 and 98,316.52

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Solution

The fourth proportional to 322,961.98, 484,512.96 and 98,316.52 is: 147,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,961.98 : 484,512.96 = 98,316.52 : x
  2. Step 2: Convert to fraction form
    322,961.98/484,512.96 = 98,316.52/x
  3. Step 3: Cross multiply
    322,961.98x = 484,512.96 × 98,316.52
  4. Step 4: Simplify right side
    322,961.98x = 47,635,628,122.10
  5. Step 5: Solve for x
    x = 47,635,628,122.10/322,961.98
  6. Step 6: Final answer
    x = 147,496.09

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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.