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Finding the Fourth Proportional to 529.76, 794.60 and 187.52

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Solution

The fourth proportional to 529.76, 794.60 and 187.52 is: 281.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.76 : 794.60 = 187.52 : x
  2. Step 2: Convert to fraction form
    529.76/794.60 = 187.52/x
  3. Step 3: Cross multiply
    529.76x = 794.60 × 187.52
  4. Step 4: Simplify right side
    529.76x = 149,003.39
  5. Step 5: Solve for x
    x = 149,003.39/529.76
  6. Step 6: Final answer
    x = 281.27

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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.