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Finding the Fourth Proportional to 482,399.56, 723,633.90 and 127,410.04

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Solution

The fourth proportional to 482,399.56, 723,633.90 and 127,410.04 is: 191,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,399.56 : 723,633.90 = 127,410.04 : x
  2. Step 2: Convert to fraction form
    482,399.56/723,633.90 = 127,410.04/x
  3. Step 3: Cross multiply
    482,399.56x = 723,633.90 × 127,410.04
  4. Step 4: Simplify right side
    482,399.56x = 92,198,224,144.36
  5. Step 5: Solve for x
    x = 92,198,224,144.36/482,399.56
  6. Step 6: Final answer
    x = 191,124.19

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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.