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Finding the Fourth Proportional to 359,698.80, 496,382.61 and 198,552.44

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Solution

The fourth proportional to 359,698.80, 496,382.61 and 198,552.44 is: 274,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,698.80 : 496,382.61 = 198,552.44 : x
  2. Step 2: Convert to fraction form
    359,698.80/496,382.61 = 198,552.44/x
  3. Step 3: Cross multiply
    359,698.80x = 496,382.61 × 198,552.44
  4. Step 4: Simplify right side
    359,698.80x = 98,557,978,389.07
  5. Step 5: Solve for x
    x = 98,557,978,389.07/359,698.80
  6. Step 6: Final answer
    x = 274,001.41

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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.