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Finding the Fourth Proportional to 1,332, 1,997.82 and 601.38

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Solution

The fourth proportional to 1,332, 1,997.82 and 601.38 is: 901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332 : 1,997.82 = 601.38 : x
  2. Step 2: Convert to fraction form
    1,332/1,997.82 = 601.38/x
  3. Step 3: Cross multiply
    1,332x = 1,997.82 × 601.38
  4. Step 4: Simplify right side
    1,332x = 1,201,448.99
  5. Step 5: Solve for x
    x = 1,201,448.99/1,332
  6. Step 6: Final answer
    x = 901.99

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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.