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Finding the Fourth Proportional to 365.92, 548.98 and 317.52

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Solution

The fourth proportional to 365.92, 548.98 and 317.52 is: 476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.92 : 548.98 = 317.52 : x
  2. Step 2: Convert to fraction form
    365.92/548.98 = 317.52/x
  3. Step 3: Cross multiply
    365.92x = 548.98 × 317.52
  4. Step 4: Simplify right side
    365.92x = 174,311.34
  5. Step 5: Solve for x
    x = 174,311.34/365.92
  6. Step 6: Final answer
    x = 476.37

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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.