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Finding the Fourth Proportional to 373,504.72, 560,256.72 and 136,865.92

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Solution

The fourth proportional to 373,504.72, 560,256.72 and 136,865.92 is: 205,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,504.72 : 560,256.72 = 136,865.92 : x
  2. Step 2: Convert to fraction form
    373,504.72/560,256.72 = 136,865.92/x
  3. Step 3: Cross multiply
    373,504.72x = 560,256.72 × 136,865.92
  4. Step 4: Simplify right side
    373,504.72x = 76,680,051,418.98
  5. Step 5: Solve for x
    x = 76,680,051,418.98/373,504.72
  6. Step 6: Final answer
    x = 205,298.75

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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.