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Finding the Fourth Proportional to 367.96, 548.88 and 355.32

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Solution

The fourth proportional to 367.96, 548.88 and 355.32 is: 530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.96 : 548.88 = 355.32 : x
  2. Step 2: Convert to fraction form
    367.96/548.88 = 355.32/x
  3. Step 3: Cross multiply
    367.96x = 548.88 × 355.32
  4. Step 4: Simplify right side
    367.96x = 195,028.04
  5. Step 5: Solve for x
    x = 195,028.04/367.96
  6. Step 6: Final answer
    x = 530.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.