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Finding the Fourth Proportional to 373,911.27, 560,940.84 and 137,256

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Solution

The fourth proportional to 373,911.27, 560,940.84 and 137,256 is: 205,911.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,911.27 : 560,940.84 = 137,256 : x
  2. Step 2: Convert to fraction form
    373,911.27/560,940.84 = 137,256/x
  3. Step 3: Cross multiply
    373,911.27x = 560,940.84 × 137,256
  4. Step 4: Simplify right side
    373,911.27x = 76,992,495,935.04
  5. Step 5: Solve for x
    x = 76,992,495,935.04/373,911.27
  6. Step 6: Final answer
    x = 205,911.14

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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.