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Finding the Fourth Proportional to 367,660.80, 551,507.40 and 207,734.40

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Solution

The fourth proportional to 367,660.80, 551,507.40 and 207,734.40 is: 311,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,660.80 : 551,507.40 = 207,734.40 : x
  2. Step 2: Convert to fraction form
    367,660.80/551,507.40 = 207,734.40/x
  3. Step 3: Cross multiply
    367,660.80x = 551,507.40 × 207,734.40
  4. Step 4: Simplify right side
    367,660.80x = 114,567,058,834.56
  5. Step 5: Solve for x
    x = 114,567,058,834.56/367,660.80
  6. Step 6: Final answer
    x = 311,610.75

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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.