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Finding the Fourth Proportional to 322,014.79, 483,057.21 and 119,587.15

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Solution

The fourth proportional to 322,014.79, 483,057.21 and 119,587.15 is: 179,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,014.79 : 483,057.21 = 119,587.15 : x
  2. Step 2: Convert to fraction form
    322,014.79/483,057.21 = 119,587.15/x
  3. Step 3: Cross multiply
    322,014.79x = 483,057.21 × 119,587.15
  4. Step 4: Simplify right side
    322,014.79x = 57,767,433,365.93
  5. Step 5: Solve for x
    x = 57,767,433,365.93/322,014.79
  6. Step 6: Final answer
    x = 179,393.73

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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.