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Finding the Fourth Proportional to 322,562.10, 483,843.15 and 165,098.10

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Solution

The fourth proportional to 322,562.10, 483,843.15 and 165,098.10 is: 247,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,562.10 : 483,843.15 = 165,098.10 : x
  2. Step 2: Convert to fraction form
    322,562.10/483,843.15 = 165,098.10/x
  3. Step 3: Cross multiply
    322,562.10x = 483,843.15 × 165,098.10
  4. Step 4: Simplify right side
    322,562.10x = 79,881,584,763.02
  5. Step 5: Solve for x
    x = 79,881,584,763.02/322,562.10
  6. Step 6: Final answer
    x = 247,647.15

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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.