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Finding the Fourth Proportional to 554,182.80, 764,771.40 and 327,829.20

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Solution

The fourth proportional to 554,182.80, 764,771.40 and 327,829.20 is: 452,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,182.80 : 764,771.40 = 327,829.20 : x
  2. Step 2: Convert to fraction form
    554,182.80/764,771.40 = 327,829.20/x
  3. Step 3: Cross multiply
    554,182.80x = 764,771.40 × 327,829.20
  4. Step 4: Simplify right side
    554,182.80x = 250,714,396,244.88
  5. Step 5: Solve for x
    x = 250,714,396,244.88/554,182.80
  6. Step 6: Final answer
    x = 452,403.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.