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Finding the Fourth Proportional to 466.37, 699.55 and 141.74

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Solution

The fourth proportional to 466.37, 699.55 and 141.74 is: 212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.37 : 699.55 = 141.74 : x
  2. Step 2: Convert to fraction form
    466.37/699.55 = 141.74/x
  3. Step 3: Cross multiply
    466.37x = 699.55 × 141.74
  4. Step 4: Simplify right side
    466.37x = 99,152.82
  5. Step 5: Solve for x
    x = 99,152.82/466.37
  6. Step 6: Final answer
    x = 212.61

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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.