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Finding the Fourth Proportional to 367,119.60, 550,679.40 and 130,471.62

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Solution

The fourth proportional to 367,119.60, 550,679.40 and 130,471.62 is: 195,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,119.60 : 550,679.40 = 130,471.62 : x
  2. Step 2: Convert to fraction form
    367,119.60/550,679.40 = 130,471.62/x
  3. Step 3: Cross multiply
    367,119.60x = 550,679.40 × 130,471.62
  4. Step 4: Simplify right side
    367,119.60x = 71,848,030,012.87
  5. Step 5: Solve for x
    x = 71,848,030,012.87/367,119.60
  6. Step 6: Final answer
    x = 195,707.42

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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.