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Finding the Fourth Proportional to 322,478.62, 483,384.41 and 109,175.95

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Solution

The fourth proportional to 322,478.62, 483,384.41 and 109,175.95 is: 163,651.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,478.62 : 483,384.41 = 109,175.95 : x
  2. Step 2: Convert to fraction form
    322,478.62/483,384.41 = 109,175.95/x
  3. Step 3: Cross multiply
    322,478.62x = 483,384.41 × 109,175.95
  4. Step 4: Simplify right side
    322,478.62x = 52,773,952,644.70
  5. Step 5: Solve for x
    x = 52,773,952,644.70/322,478.62
  6. Step 6: Final answer
    x = 163,651.01

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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.