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Finding the Fourth Proportional to 340,517.54, 510,776.33 and 160,561.08

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Solution

The fourth proportional to 340,517.54, 510,776.33 and 160,561.08 is: 240,841.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,517.54 : 510,776.33 = 160,561.08 : x
  2. Step 2: Convert to fraction form
    340,517.54/510,776.33 = 160,561.08/x
  3. Step 3: Cross multiply
    340,517.54x = 510,776.33 × 160,561.08
  4. Step 4: Simplify right side
    340,517.54x = 82,010,798,380.43
  5. Step 5: Solve for x
    x = 82,010,798,380.43/340,517.54
  6. Step 6: Final answer
    x = 240,841.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.