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Finding the Fourth Proportional to 359,233.05, 495,745.08 and 198,093.81

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Solution

The fourth proportional to 359,233.05, 495,745.08 and 198,093.81 is: 273,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,233.05 : 495,745.08 = 198,093.81 : x
  2. Step 2: Convert to fraction form
    359,233.05/495,745.08 = 198,093.81/x
  3. Step 3: Cross multiply
    359,233.05x = 495,745.08 × 198,093.81
  4. Step 4: Simplify right side
    359,233.05x = 98,204,031,685.95
  5. Step 5: Solve for x
    x = 98,204,031,685.95/359,233.05
  6. Step 6: Final answer
    x = 273,371.37

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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.