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Finding the Fourth Proportional to 964.17, 1,446.25 and 233.74

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Solution

The fourth proportional to 964.17, 1,446.25 and 233.74 is: 350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.17 : 1,446.25 = 233.74 : x
  2. Step 2: Convert to fraction form
    964.17/1,446.25 = 233.74/x
  3. Step 3: Cross multiply
    964.17x = 1,446.25 × 233.74
  4. Step 4: Simplify right side
    964.17x = 338,046.48
  5. Step 5: Solve for x
    x = 338,046.48/964.17
  6. Step 6: Final answer
    x = 350.61

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Double scale
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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.