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Finding the Fourth Proportional to 322,834.67, 483,587.52 and 189,393.15

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Solution

The fourth proportional to 322,834.67, 483,587.52 and 189,393.15 is: 283,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,834.67 : 483,587.52 = 189,393.15 : x
  2. Step 2: Convert to fraction form
    322,834.67/483,587.52 = 189,393.15/x
  3. Step 3: Cross multiply
    322,834.67x = 483,587.52 × 189,393.15
  4. Step 4: Simplify right side
    322,834.67x = 91,588,163,713.49
  5. Step 5: Solve for x
    x = 91,588,163,713.49/322,834.67
  6. Step 6: Final answer
    x = 283,699.90

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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.