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Finding the Fourth Proportional to 359,236.29, 495,749.34 and 198,096.90

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Solution

The fourth proportional to 359,236.29, 495,749.34 and 198,096.90 is: 273,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,236.29 : 495,749.34 = 198,096.90 : x
  2. Step 2: Convert to fraction form
    359,236.29/495,749.34 = 198,096.90/x
  3. Step 3: Cross multiply
    359,236.29x = 495,749.34 × 198,096.90
  4. Step 4: Simplify right side
    359,236.29x = 98,206,407,431.05
  5. Step 5: Solve for x
    x = 98,206,407,431.05/359,236.29
  6. Step 6: Final answer
    x = 273,375.52

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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.