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Finding the Fourth Proportional to 529.16, 793.78 and 251.48

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Solution

The fourth proportional to 529.16, 793.78 and 251.48 is: 377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.16 : 793.78 = 251.48 : x
  2. Step 2: Convert to fraction form
    529.16/793.78 = 251.48/x
  3. Step 3: Cross multiply
    529.16x = 793.78 × 251.48
  4. Step 4: Simplify right side
    529.16x = 199,618.10
  5. Step 5: Solve for x
    x = 199,618.10/529.16
  6. Step 6: Final answer
    x = 377.24

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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.