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Finding the Fourth Proportional to 412,544.04, 618,816.54 and 113,027.22

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Solution

The fourth proportional to 412,544.04, 618,816.54 and 113,027.22 is: 169,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,544.04 : 618,816.54 = 113,027.22 : x
  2. Step 2: Convert to fraction form
    412,544.04/618,816.54 = 113,027.22/x
  3. Step 3: Cross multiply
    412,544.04x = 618,816.54 × 113,027.22
  4. Step 4: Simplify right side
    412,544.04x = 69,943,113,206.22
  5. Step 5: Solve for x
    x = 69,943,113,206.22/412,544.04
  6. Step 6: Final answer
    x = 169,540.96

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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.