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Finding the Fourth Proportional to 731.79, 1,097.66 and 183.98

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Solution

The fourth proportional to 731.79, 1,097.66 and 183.98 is: 275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.79 : 1,097.66 = 183.98 : x
  2. Step 2: Convert to fraction form
    731.79/1,097.66 = 183.98/x
  3. Step 3: Cross multiply
    731.79x = 1,097.66 × 183.98
  4. Step 4: Simplify right side
    731.79x = 201,950.69
  5. Step 5: Solve for x
    x = 201,950.69/731.79
  6. Step 6: Final answer
    x = 275.97

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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.