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Finding the Fourth Proportional to 1,332.12, 1,997.10 and 601.32

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Solution

The fourth proportional to 1,332.12, 1,997.10 and 601.32 is: 901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.12 : 1,997.10 = 601.32 : x
  2. Step 2: Convert to fraction form
    1,332.12/1,997.10 = 601.32/x
  3. Step 3: Cross multiply
    1,332.12x = 1,997.10 × 601.32
  4. Step 4: Simplify right side
    1,332.12x = 1,200,896.17
  5. Step 5: Solve for x
    x = 1,200,896.17/1,332.12
  6. Step 6: Final answer
    x = 901.49

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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.