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Finding the Fourth Proportional to 359,262.54, 495,811.83 and 198,149.10

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Solution

The fourth proportional to 359,262.54, 495,811.83 and 198,149.10 is: 273,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,262.54 : 495,811.83 = 198,149.10 : x
  2. Step 2: Convert to fraction form
    359,262.54/495,811.83 = 198,149.10/x
  3. Step 3: Cross multiply
    359,262.54x = 495,811.83 × 198,149.10
  4. Step 4: Simplify right side
    359,262.54x = 98,244,667,883.85
  5. Step 5: Solve for x
    x = 98,244,667,883.85/359,262.54
  6. Step 6: Final answer
    x = 273,462.04

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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.