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Finding the Fourth Proportional to 322,305.77, 483,321.96 and 153,630.96

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Solution

The fourth proportional to 322,305.77, 483,321.96 and 153,630.96 is: 230,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,305.77 : 483,321.96 = 153,630.96 : x
  2. Step 2: Convert to fraction form
    322,305.77/483,321.96 = 153,630.96/x
  3. Step 3: Cross multiply
    322,305.77x = 483,321.96 × 153,630.96
  4. Step 4: Simplify right side
    322,305.77x = 74,253,216,703.88
  5. Step 5: Solve for x
    x = 74,253,216,703.88/322,305.77
  6. Step 6: Final answer
    x = 230,381.29

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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.