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Finding the Fourth Proportional to 529.31, 792.60 and 365.29

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Solution

The fourth proportional to 529.31, 792.60 and 365.29 is: 546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.31 : 792.60 = 365.29 : x
  2. Step 2: Convert to fraction form
    529.31/792.60 = 365.29/x
  3. Step 3: Cross multiply
    529.31x = 792.60 × 365.29
  4. Step 4: Simplify right side
    529.31x = 289,523.98
  5. Step 5: Solve for x
    x = 289,523.98/529.31
  6. Step 6: Final answer
    x = 546.98

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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.