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Finding the Fourth Proportional to 322,861.16, 484,431.02 and 123,241.48

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Solution

The fourth proportional to 322,861.16, 484,431.02 and 123,241.48 is: 184,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,861.16 : 484,431.02 = 123,241.48 : x
  2. Step 2: Convert to fraction form
    322,861.16/484,431.02 = 123,241.48/x
  3. Step 3: Cross multiply
    322,861.16x = 484,431.02 × 123,241.48
  4. Step 4: Simplify right side
    322,861.16x = 59,701,995,862.71
  5. Step 5: Solve for x
    x = 59,701,995,862.71/322,861.16
  6. Step 6: Final answer
    x = 184,915.39

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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.