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Finding the Fourth Proportional to 332,034.40, 498,116.40 and 142,494.40

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Solution

The fourth proportional to 332,034.40, 498,116.40 and 142,494.40 is: 213,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,034.40 : 498,116.40 = 142,494.40 : x
  2. Step 2: Convert to fraction form
    332,034.40/498,116.40 = 142,494.40/x
  3. Step 3: Cross multiply
    332,034.40x = 498,116.40 × 142,494.40
  4. Step 4: Simplify right side
    332,034.40x = 70,978,797,548.16
  5. Step 5: Solve for x
    x = 70,978,797,548.16/332,034.40
  6. Step 6: Final answer
    x = 213,769.41

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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.