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Finding the Fourth Proportional to 367,015.66, 550,578.21 and 130,338.46

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Solution

The fourth proportional to 367,015.66, 550,578.21 and 130,338.46 is: 195,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,015.66 : 550,578.21 = 130,338.46 : x
  2. Step 2: Convert to fraction form
    367,015.66/550,578.21 = 130,338.46/x
  3. Step 3: Cross multiply
    367,015.66x = 550,578.21 × 130,338.46
  4. Step 4: Simplify right side
    367,015.66x = 71,761,516,000.96
  5. Step 5: Solve for x
    x = 71,761,516,000.96/367,015.66
  6. Step 6: Final answer
    x = 195,527.12

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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.