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Finding the Fourth Proportional to 531.68, 797.51 and 185.27

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Solution

The fourth proportional to 531.68, 797.51 and 185.27 is: 277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.68 : 797.51 = 185.27 : x
  2. Step 2: Convert to fraction form
    531.68/797.51 = 185.27/x
  3. Step 3: Cross multiply
    531.68x = 797.51 × 185.27
  4. Step 4: Simplify right side
    531.68x = 147,749.76
  5. Step 5: Solve for x
    x = 147,749.76/531.68
  6. Step 6: Final answer
    x = 277.89

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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.