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Finding the Fourth Proportional to 529.94, 793.94 and 365.41

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Solution

The fourth proportional to 529.94, 793.94 and 365.41 is: 547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.94 : 793.94 = 365.41 : x
  2. Step 2: Convert to fraction form
    529.94/793.94 = 365.41/x
  3. Step 3: Cross multiply
    529.94x = 793.94 × 365.41
  4. Step 4: Simplify right side
    529.94x = 290,112.78
  5. Step 5: Solve for x
    x = 290,112.78/529.94
  6. Step 6: Final answer
    x = 547.44

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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.