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Finding the Fourth Proportional to 397.41, 596.13 and 192.06

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Solution

The fourth proportional to 397.41, 596.13 and 192.06 is: 288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.41 : 596.13 = 192.06 : x
  2. Step 2: Convert to fraction form
    397.41/596.13 = 192.06/x
  3. Step 3: Cross multiply
    397.41x = 596.13 × 192.06
  4. Step 4: Simplify right side
    397.41x = 114,492.73
  5. Step 5: Solve for x
    x = 114,492.73/397.41
  6. Step 6: Final answer
    x = 288.10

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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.