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Finding the Fourth Proportional to 466.14, 697.46 and 312.46

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Solution

The fourth proportional to 466.14, 697.46 and 312.46 is: 467.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.14 : 697.46 = 312.46 : x
  2. Step 2: Convert to fraction form
    466.14/697.46 = 312.46/x
  3. Step 3: Cross multiply
    466.14x = 697.46 × 312.46
  4. Step 4: Simplify right side
    466.14x = 217,928.35
  5. Step 5: Solve for x
    x = 217,928.35/466.14
  6. Step 6: Final answer
    x = 467.52

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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.