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Finding the Fourth Proportional to 529.23, 792.67 and 343.48

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Solution

The fourth proportional to 529.23, 792.67 and 343.48 is: 514.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.23 : 792.67 = 343.48 : x
  2. Step 2: Convert to fraction form
    529.23/792.67 = 343.48/x
  3. Step 3: Cross multiply
    529.23x = 792.67 × 343.48
  4. Step 4: Simplify right side
    529.23x = 272,266.29
  5. Step 5: Solve for x
    x = 272,266.29/529.23
  6. Step 6: Final answer
    x = 514.46

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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.