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Finding the Fourth Proportional to 332,937.60, 499,406.40 and 111,321.60

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Solution

The fourth proportional to 332,937.60, 499,406.40 and 111,321.60 is: 166,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,937.60 : 499,406.40 = 111,321.60 : x
  2. Step 2: Convert to fraction form
    332,937.60/499,406.40 = 111,321.60/x
  3. Step 3: Cross multiply
    332,937.60x = 499,406.40 × 111,321.60
  4. Step 4: Simplify right side
    332,937.60x = 55,594,719,498.24
  5. Step 5: Solve for x
    x = 55,594,719,498.24/332,937.60
  6. Step 6: Final answer
    x = 166,982.40

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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.