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Finding the Fourth Proportional to 569.14, 852.34 and 324.92

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Solution

The fourth proportional to 569.14, 852.34 and 324.92 is: 486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.14 : 852.34 = 324.92 : x
  2. Step 2: Convert to fraction form
    569.14/852.34 = 324.92/x
  3. Step 3: Cross multiply
    569.14x = 852.34 × 324.92
  4. Step 4: Simplify right side
    569.14x = 276,943.63
  5. Step 5: Solve for x
    x = 276,943.63/569.14
  6. Step 6: Final answer
    x = 486.60

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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.