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Finding the Fourth Proportional to 363,071.20, 544,023.60 and 303,584.80

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Solution

The fourth proportional to 363,071.20, 544,023.60 and 303,584.80 is: 454,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,071.20 : 544,023.60 = 303,584.80 : x
  2. Step 2: Convert to fraction form
    363,071.20/544,023.60 = 303,584.80/x
  3. Step 3: Cross multiply
    363,071.20x = 544,023.60 × 303,584.80
  4. Step 4: Simplify right side
    363,071.20x = 165,157,295,801.28
  5. Step 5: Solve for x
    x = 165,157,295,801.28/363,071.20
  6. Step 6: Final answer
    x = 454,889.55

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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.