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Finding the Fourth Proportional to 332,810.60, 499,288.80 and 133,080.80

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Solution

The fourth proportional to 332,810.60, 499,288.80 and 133,080.80 is: 199,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,810.60 : 499,288.80 = 133,080.80 : x
  2. Step 2: Convert to fraction form
    332,810.60/499,288.80 = 133,080.80/x
  3. Step 3: Cross multiply
    332,810.60x = 499,288.80 × 133,080.80
  4. Step 4: Simplify right side
    332,810.60x = 66,445,752,935.04
  5. Step 5: Solve for x
    x = 66,445,752,935.04/332,810.60
  6. Step 6: Final answer
    x = 199,650.35

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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.