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Finding the Fourth Proportional to 360,598.38, 540,891.45 and 107,879.46

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Solution

The fourth proportional to 360,598.38, 540,891.45 and 107,879.46 is: 161,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,598.38 : 540,891.45 = 107,879.46 : x
  2. Step 2: Convert to fraction form
    360,598.38/540,891.45 = 107,879.46/x
  3. Step 3: Cross multiply
    360,598.38x = 540,891.45 × 107,879.46
  4. Step 4: Simplify right side
    360,598.38x = 58,351,077,544.62
  5. Step 5: Solve for x
    x = 58,351,077,544.62/360,598.38
  6. Step 6: Final answer
    x = 161,817.36

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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.