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Finding the Fourth Proportional to 359,230.46, 495,741.40 and 198,091.28

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Solution

The fourth proportional to 359,230.46, 495,741.40 and 198,091.28 is: 273,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,230.46 : 495,741.40 = 198,091.28 : x
  2. Step 2: Convert to fraction form
    359,230.46/495,741.40 = 198,091.28/x
  3. Step 3: Cross multiply
    359,230.46x = 495,741.40 × 198,091.28
  4. Step 4: Simplify right side
    359,230.46x = 98,202,049,219.12
  5. Step 5: Solve for x
    x = 98,202,049,219.12/359,230.46
  6. Step 6: Final answer
    x = 273,367.83

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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.