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Finding the Fourth Proportional to 374.67, 561.83 and 158.04

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Solution

The fourth proportional to 374.67, 561.83 and 158.04 is: 236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.67 : 561.83 = 158.04 : x
  2. Step 2: Convert to fraction form
    374.67/561.83 = 158.04/x
  3. Step 3: Cross multiply
    374.67x = 561.83 × 158.04
  4. Step 4: Simplify right side
    374.67x = 88,790.82
  5. Step 5: Solve for x
    x = 88,790.82/374.67
  6. Step 6: Final answer
    x = 236.98

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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.