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Finding the Fourth Proportional to 374.15, 559.94 and 296.46

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Solution

The fourth proportional to 374.15, 559.94 and 296.46 is: 443.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.15 : 559.94 = 296.46 : x
  2. Step 2: Convert to fraction form
    374.15/559.94 = 296.46/x
  3. Step 3: Cross multiply
    374.15x = 559.94 × 296.46
  4. Step 4: Simplify right side
    374.15x = 165,998.33
  5. Step 5: Solve for x
    x = 165,998.33/374.15
  6. Step 6: Final answer
    x = 443.66

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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.