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Finding the Fourth Proportional to 322,119.81, 483,241.98 and 122,424.63

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Solution

The fourth proportional to 322,119.81, 483,241.98 and 122,424.63 is: 183,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,119.81 : 483,241.98 = 122,424.63 : x
  2. Step 2: Convert to fraction form
    322,119.81/483,241.98 = 122,424.63/x
  3. Step 3: Cross multiply
    322,119.81x = 483,241.98 × 122,424.63
  4. Step 4: Simplify right side
    322,119.81x = 59,160,719,756.85
  5. Step 5: Solve for x
    x = 59,160,719,756.85/322,119.81
  6. Step 6: Final answer
    x = 183,660.61

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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.