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Finding the Fourth Proportional to 359,100.68, 495,562.39 and 197,961.53

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Solution

The fourth proportional to 359,100.68, 495,562.39 and 197,961.53 is: 273,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,100.68 : 495,562.39 = 197,961.53 : x
  2. Step 2: Convert to fraction form
    359,100.68/495,562.39 = 197,961.53/x
  3. Step 3: Cross multiply
    359,100.68x = 495,562.39 × 197,961.53
  4. Step 4: Simplify right side
    359,100.68x = 98,102,285,962.14
  5. Step 5: Solve for x
    x = 98,102,285,962.14/359,100.68
  6. Step 6: Final answer
    x = 273,188.81

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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.