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Finding the Fourth Proportional to 359,227.18, 495,736.96 and 198,087.94

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Solution

The fourth proportional to 359,227.18, 495,736.96 and 198,087.94 is: 273,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,227.18 : 495,736.96 = 198,087.94 : x
  2. Step 2: Convert to fraction form
    359,227.18/495,736.96 = 198,087.94/x
  3. Step 3: Cross multiply
    359,227.18x = 495,736.96 × 198,087.94
  4. Step 4: Simplify right side
    359,227.18x = 98,199,510,709.58
  5. Step 5: Solve for x
    x = 98,199,510,709.58/359,227.18
  6. Step 6: Final answer
    x = 273,363.26

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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.