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Finding the Fourth Proportional to 373,734.72, 560,675.73 and 137,079.45

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Solution

The fourth proportional to 373,734.72, 560,675.73 and 137,079.45 is: 205,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,734.72 : 560,675.73 = 137,079.45 : x
  2. Step 2: Convert to fraction form
    373,734.72/560,675.73 = 137,079.45/x
  3. Step 3: Cross multiply
    373,734.72x = 560,675.73 × 137,079.45
  4. Step 4: Simplify right side
    373,734.72x = 76,857,120,696.75
  5. Step 5: Solve for x
    x = 76,857,120,696.75/373,734.72
  6. Step 6: Final answer
    x = 205,646.19

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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.