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Finding the Fourth Proportional to 529.25, 794.00 and 187.25

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Solution

The fourth proportional to 529.25, 794.00 and 187.25 is: 280.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.25 : 794.00 = 187.25 : x
  2. Step 2: Convert to fraction form
    529.25/794.00 = 187.25/x
  3. Step 3: Cross multiply
    529.25x = 794.00 × 187.25
  4. Step 4: Simplify right side
    529.25x = 148,675.56
  5. Step 5: Solve for x
    x = 148,675.56/529.25
  6. Step 6: Final answer
    x = 280.92

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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.