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Finding the Fourth Proportional to 322,210.88, 483,515.78 and 187,338.38

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Solution

The fourth proportional to 322,210.88, 483,515.78 and 187,338.38 is: 281,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,210.88 : 483,515.78 = 187,338.38 : x
  2. Step 2: Convert to fraction form
    322,210.88/483,515.78 = 187,338.38/x
  3. Step 3: Cross multiply
    322,210.88x = 483,515.78 × 187,338.38
  4. Step 4: Simplify right side
    322,210.88x = 90,581,062,929.64
  5. Step 5: Solve for x
    x = 90,581,062,929.64/322,210.88
  6. Step 6: Final answer
    x = 281,123.54

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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.