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Finding the Fourth Proportional to 334,519.65, 461,620.17 and 198,559.53

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Solution

The fourth proportional to 334,519.65, 461,620.17 and 198,559.53 is: 274,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,519.65 : 461,620.17 = 198,559.53 : x
  2. Step 2: Convert to fraction form
    334,519.65/461,620.17 = 198,559.53/x
  3. Step 3: Cross multiply
    334,519.65x = 461,620.17 × 198,559.53
  4. Step 4: Simplify right side
    334,519.65x = 91,659,083,993.72
  5. Step 5: Solve for x
    x = 91,659,083,993.72/334,519.65
  6. Step 6: Final answer
    x = 274,002.09

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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.