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Finding the Fourth Proportional to 527.89, 792.33 and 268.08

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Solution

The fourth proportional to 527.89, 792.33 and 268.08 is: 402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.89 : 792.33 = 268.08 : x
  2. Step 2: Convert to fraction form
    527.89/792.33 = 268.08/x
  3. Step 3: Cross multiply
    527.89x = 792.33 × 268.08
  4. Step 4: Simplify right side
    527.89x = 212,407.83
  5. Step 5: Solve for x
    x = 212,407.83/527.89
  6. Step 6: Final answer
    x = 402.37

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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.