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Finding the Fourth Proportional to 368.52, 553.02 and 246.84

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Solution

The fourth proportional to 368.52, 553.02 and 246.84 is: 370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.52 : 553.02 = 246.84 : x
  2. Step 2: Convert to fraction form
    368.52/553.02 = 246.84/x
  3. Step 3: Cross multiply
    368.52x = 553.02 × 246.84
  4. Step 4: Simplify right side
    368.52x = 136,507.46
  5. Step 5: Solve for x
    x = 136,507.46/368.52
  6. Step 6: Final answer
    x = 370.42

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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.