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Finding the Fourth Proportional to 359,936.92, 496,716.70 and 198,796.08

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Solution

The fourth proportional to 359,936.92, 496,716.70 and 198,796.08 is: 274,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,936.92 : 496,716.70 = 198,796.08 : x
  2. Step 2: Convert to fraction form
    359,936.92/496,716.70 = 198,796.08/x
  3. Step 3: Cross multiply
    359,936.92x = 496,716.70 × 198,796.08
  4. Step 4: Simplify right side
    359,936.92x = 98,745,332,830.54
  5. Step 5: Solve for x
    x = 98,745,332,830.54/359,936.92
  6. Step 6: Final answer
    x = 274,340.66

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1.5x scale

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.