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Finding the Fourth Proportional to 322,788.75, 484,260.89 and 101,172.75

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Solution

The fourth proportional to 322,788.75, 484,260.89 and 101,172.75 is: 151,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,788.75 : 484,260.89 = 101,172.75 : x
  2. Step 2: Convert to fraction form
    322,788.75/484,260.89 = 101,172.75/x
  3. Step 3: Cross multiply
    322,788.75x = 484,260.89 × 101,172.75
  4. Step 4: Simplify right side
    322,788.75x = 48,994,005,452.88
  5. Step 5: Solve for x
    x = 48,994,005,452.88/322,788.75
  6. Step 6: Final answer
    x = 151,783.50

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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.