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Finding the Fourth Proportional to 373,960.80, 560,942.10 and 149,339.52

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Solution

The fourth proportional to 373,960.80, 560,942.10 and 149,339.52 is: 224,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,960.80 : 560,942.10 = 149,339.52 : x
  2. Step 2: Convert to fraction form
    373,960.80/560,942.10 = 149,339.52/x
  3. Step 3: Cross multiply
    373,960.80x = 560,942.10 × 149,339.52
  4. Step 4: Simplify right side
    373,960.80x = 83,770,823,961.79
  5. Step 5: Solve for x
    x = 83,770,823,961.79/373,960.80
  6. Step 6: Final answer
    x = 224,009.64

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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.