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Finding the Fourth Proportional to 322,338.30, 483,337.35 and 109,032.90

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Solution

The fourth proportional to 322,338.30, 483,337.35 and 109,032.90 is: 163,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,338.30 : 483,337.35 = 109,032.90 : x
  2. Step 2: Convert to fraction form
    322,338.30/483,337.35 = 109,032.90/x
  3. Step 3: Cross multiply
    322,338.30x = 483,337.35 × 109,032.90
  4. Step 4: Simplify right side
    322,338.30x = 52,699,672,948.82
  5. Step 5: Solve for x
    x = 52,699,672,948.82/322,338.30
  6. Step 6: Final answer
    x = 163,491.81

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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.