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Finding the Fourth Proportional to 353.48, 529.62 and 160.84

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Solution

The fourth proportional to 353.48, 529.62 and 160.84 is: 240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.48 : 529.62 = 160.84 : x
  2. Step 2: Convert to fraction form
    353.48/529.62 = 160.84/x
  3. Step 3: Cross multiply
    353.48x = 529.62 × 160.84
  4. Step 4: Simplify right side
    353.48x = 85,184.08
  5. Step 5: Solve for x
    x = 85,184.08/353.48
  6. Step 6: Final answer
    x = 240.99

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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.