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Finding the Fourth Proportional to 322,764.78, 483,813.72 and 123,031.56

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Solution

The fourth proportional to 322,764.78, 483,813.72 and 123,031.56 is: 184,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,764.78 : 483,813.72 = 123,031.56 : x
  2. Step 2: Convert to fraction form
    322,764.78/483,813.72 = 123,031.56/x
  3. Step 3: Cross multiply
    322,764.78x = 483,813.72 × 123,031.56
  4. Step 4: Simplify right side
    322,764.78x = 59,524,356,721.00
  5. Step 5: Solve for x
    x = 59,524,356,721.00/322,764.78
  6. Step 6: Final answer
    x = 184,420.24

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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.