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Finding the Fourth Proportional to 322,580.80, 483,295.20 and 156,001.60

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Solution

The fourth proportional to 322,580.80, 483,295.20 and 156,001.60 is: 233,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,580.80 : 483,295.20 = 156,001.60 : x
  2. Step 2: Convert to fraction form
    322,580.80/483,295.20 = 156,001.60/x
  3. Step 3: Cross multiply
    322,580.80x = 483,295.20 × 156,001.60
  4. Step 4: Simplify right side
    322,580.80x = 75,394,824,472.32
  5. Step 5: Solve for x
    x = 75,394,824,472.32/322,580.80
  6. Step 6: Final answer
    x = 233,723.84

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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.