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Finding the Fourth Proportional to 322,481.70, 483,726.60 and 97,844.40

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Solution

The fourth proportional to 322,481.70, 483,726.60 and 97,844.40 is: 146,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,481.70 : 483,726.60 = 97,844.40 : x
  2. Step 2: Convert to fraction form
    322,481.70/483,726.60 = 97,844.40/x
  3. Step 3: Cross multiply
    322,481.70x = 483,726.60 × 97,844.40
  4. Step 4: Simplify right side
    322,481.70x = 47,329,938,941.04
  5. Step 5: Solve for x
    x = 47,329,938,941.04/322,481.70
  6. Step 6: Final answer
    x = 146,767.83

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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.