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Finding the Fourth Proportional to 368, 552.27 and 240.02

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Solution

The fourth proportional to 368, 552.27 and 240.02 is: 360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    368 : 552.27 = 240.02 : x
  2. Step 2: Convert to fraction form
    368/552.27 = 240.02/x
  3. Step 3: Cross multiply
    368x = 552.27 × 240.02
  4. Step 4: Simplify right side
    368x = 132,555.85
  5. Step 5: Solve for x
    x = 132,555.85/368
  6. Step 6: Final answer
    x = 360.21

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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.