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Finding the Fourth Proportional to 360,806.52, 540,918.12 and 150,601.80

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Solution

The fourth proportional to 360,806.52, 540,918.12 and 150,601.80 is: 225,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,806.52 : 540,918.12 = 150,601.80 : x
  2. Step 2: Convert to fraction form
    360,806.52/540,918.12 = 150,601.80/x
  3. Step 3: Cross multiply
    360,806.52x = 540,918.12 × 150,601.80
  4. Step 4: Simplify right side
    360,806.52x = 81,463,242,524.62
  5. Step 5: Solve for x
    x = 81,463,242,524.62/360,806.52
  6. Step 6: Final answer
    x = 225,780.96

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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.