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Finding the Fourth Proportional to 376.15, 562.93 and 298.46

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Solution

The fourth proportional to 376.15, 562.93 and 298.46 is: 446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.15 : 562.93 = 298.46 : x
  2. Step 2: Convert to fraction form
    376.15/562.93 = 298.46/x
  3. Step 3: Cross multiply
    376.15x = 562.93 × 298.46
  4. Step 4: Simplify right side
    376.15x = 168,012.09
  5. Step 5: Solve for x
    x = 168,012.09/376.15
  6. Step 6: Final answer
    x = 446.66

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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.