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Finding the Fourth Proportional to 1,197.76, 1,796.64 and 467.55

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Solution

The fourth proportional to 1,197.76, 1,796.64 and 467.55 is: 701.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.76 : 1,796.64 = 467.55 : x
  2. Step 2: Convert to fraction form
    1,197.76/1,796.64 = 467.55/x
  3. Step 3: Cross multiply
    1,197.76x = 1,796.64 × 467.55
  4. Step 4: Simplify right side
    1,197.76x = 840,010.05
  5. Step 5: Solve for x
    x = 840,010.05/1,197.76
  6. Step 6: Final answer
    x = 701.32

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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.