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Finding the Fourth Proportional to 322,771.50, 484,235.01 and 101,155.50

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Solution

The fourth proportional to 322,771.50, 484,235.01 and 101,155.50 is: 151,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,771.50 : 484,235.01 = 101,155.50 : x
  2. Step 2: Convert to fraction form
    322,771.50/484,235.01 = 101,155.50/x
  3. Step 3: Cross multiply
    322,771.50x = 484,235.01 × 101,155.50
  4. Step 4: Simplify right side
    322,771.50x = 48,983,034,554.06
  5. Step 5: Solve for x
    x = 48,983,034,554.06/322,771.50
  6. Step 6: Final answer
    x = 151,757.62

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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.