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Finding the Fourth Proportional to 360,047.80, 539,564.58 and 275,480.56

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Solution

The fourth proportional to 360,047.80, 539,564.58 and 275,480.56 is: 412,832.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,047.80 : 539,564.58 = 275,480.56 : x
  2. Step 2: Convert to fraction form
    360,047.80/539,564.58 = 275,480.56/x
  3. Step 3: Cross multiply
    360,047.80x = 539,564.58 × 275,480.56
  4. Step 4: Simplify right side
    360,047.80x = 148,639,552,654.57
  5. Step 5: Solve for x
    x = 148,639,552,654.57/360,047.80
  6. Step 6: Final answer
    x = 412,832.83

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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.