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Finding the Fourth Proportional to 322,506.32, 483,817.88 and 132,861.31

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Solution

The fourth proportional to 322,506.32, 483,817.88 and 132,861.31 is: 199,316.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,506.32 : 483,817.88 = 132,861.31 : x
  2. Step 2: Convert to fraction form
    322,506.32/483,817.88 = 132,861.31/x
  3. Step 3: Cross multiply
    322,506.32x = 483,817.88 × 132,861.31
  4. Step 4: Simplify right side
    322,506.32x = 64,280,675,464.37
  5. Step 5: Solve for x
    x = 64,280,675,464.37/322,506.32
  6. Step 6: Final answer
    x = 199,316.02

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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.