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Finding the Fourth Proportional to 1,197.88, 1,796.84 and 332.21

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Solution

The fourth proportional to 1,197.88, 1,796.84 and 332.21 is: 498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.88 : 1,796.84 = 332.21 : x
  2. Step 2: Convert to fraction form
    1,197.88/1,796.84 = 332.21/x
  3. Step 3: Cross multiply
    1,197.88x = 1,796.84 × 332.21
  4. Step 4: Simplify right side
    1,197.88x = 596,928.22
  5. Step 5: Solve for x
    x = 596,928.22/1,197.88
  6. Step 6: Final answer
    x = 498.32

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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.