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Finding the Fourth Proportional to 483,801.39, 725,855.16 and 217,585.17

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Solution

The fourth proportional to 483,801.39, 725,855.16 and 217,585.17 is: 326,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,801.39 : 725,855.16 = 217,585.17 : x
  2. Step 2: Convert to fraction form
    483,801.39/725,855.16 = 217,585.17/x
  3. Step 3: Cross multiply
    483,801.39x = 725,855.16 × 217,585.17
  4. Step 4: Simplify right side
    483,801.39x = 157,935,318,383.98
  5. Step 5: Solve for x
    x = 157,935,318,383.98/483,801.39
  6. Step 6: Final answer
    x = 326,446.60

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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.