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Finding the Fourth Proportional to 332,720.40, 499,080.60 and 182,902.80

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Solution

The fourth proportional to 332,720.40, 499,080.60 and 182,902.80 is: 274,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,720.40 : 499,080.60 = 182,902.80 : x
  2. Step 2: Convert to fraction form
    332,720.40/499,080.60 = 182,902.80/x
  3. Step 3: Cross multiply
    332,720.40x = 499,080.60 × 182,902.80
  4. Step 4: Simplify right side
    332,720.40x = 91,283,239,165.68
  5. Step 5: Solve for x
    x = 91,283,239,165.68/332,720.40
  6. Step 6: Final answer
    x = 274,354.20

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1.5x scale

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.