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Finding the Fourth Proportional to 471.84, 706.50 and 298.14

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Solution

The fourth proportional to 471.84, 706.50 and 298.14 is: 446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.84 : 706.50 = 298.14 : x
  2. Step 2: Convert to fraction form
    471.84/706.50 = 298.14/x
  3. Step 3: Cross multiply
    471.84x = 706.50 × 298.14
  4. Step 4: Simplify right side
    471.84x = 210,635.91
  5. Step 5: Solve for x
    x = 210,635.91/471.84
  6. Step 6: Final answer
    x = 446.41

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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.