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Finding the Fourth Proportional to 483,225.29, 724,863.03 and 123,399.55

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Solution

The fourth proportional to 483,225.29, 724,863.03 and 123,399.55 is: 185,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,225.29 : 724,863.03 = 123,399.55 : x
  2. Step 2: Convert to fraction form
    483,225.29/724,863.03 = 123,399.55/x
  3. Step 3: Cross multiply
    483,225.29x = 724,863.03 × 123,399.55
  4. Step 4: Simplify right side
    483,225.29x = 89,447,772,156.97
  5. Step 5: Solve for x
    x = 89,447,772,156.97/483,225.29
  6. Step 6: Final answer
    x = 185,105.73

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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.