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Finding the Fourth Proportional to 327,363.58, 488,646.05 and 303,320.35

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Solution

The fourth proportional to 327,363.58, 488,646.05 and 303,320.35 is: 452,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,363.58 : 488,646.05 = 303,320.35 : x
  2. Step 2: Convert to fraction form
    327,363.58/488,646.05 = 303,320.35/x
  3. Step 3: Cross multiply
    327,363.58x = 488,646.05 × 303,320.35
  4. Step 4: Simplify right side
    327,363.58x = 148,216,290,912.12
  5. Step 5: Solve for x
    x = 148,216,290,912.12/327,363.58
  6. Step 6: Final answer
    x = 452,757.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.