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Finding the Fourth Proportional to 359,805.28, 496,539.02 and 198,670.51

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Solution

The fourth proportional to 359,805.28, 496,539.02 and 198,670.51 is: 274,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,805.28 : 496,539.02 = 198,670.51 : x
  2. Step 2: Convert to fraction form
    359,805.28/496,539.02 = 198,670.51/x
  3. Step 3: Cross multiply
    359,805.28x = 496,539.02 × 198,670.51
  4. Step 4: Simplify right side
    359,805.28x = 98,647,660,338.30
  5. Step 5: Solve for x
    x = 98,647,660,338.30/359,805.28
  6. Step 6: Final answer
    x = 274,169.57

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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.