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Finding the Fourth Proportional to 274,502.22, 379,049.47 and 172,697.37

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Solution

The fourth proportional to 274,502.22, 379,049.47 and 172,697.37 is: 238,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,502.22 : 379,049.47 = 172,697.37 : x
  2. Step 2: Convert to fraction form
    274,502.22/379,049.47 = 172,697.37/x
  3. Step 3: Cross multiply
    274,502.22x = 379,049.47 × 172,697.37
  4. Step 4: Simplify right side
    274,502.22x = 65,460,845,687.14
  5. Step 5: Solve for x
    x = 65,460,845,687.14/274,502.22
  6. Step 6: Final answer
    x = 238,471.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.