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Finding the Fourth Proportional to 529.62, 794.52 and 324.24

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Solution

The fourth proportional to 529.62, 794.52 and 324.24 is: 486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.62 : 794.52 = 324.24 : x
  2. Step 2: Convert to fraction form
    529.62/794.52 = 324.24/x
  3. Step 3: Cross multiply
    529.62x = 794.52 × 324.24
  4. Step 4: Simplify right side
    529.62x = 257,615.16
  5. Step 5: Solve for x
    x = 257,615.16/529.62
  6. Step 6: Final answer
    x = 486.42

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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.