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Finding the Fourth Proportional to 964.24, 1,446.43 and 347.94

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Solution

The fourth proportional to 964.24, 1,446.43 and 347.94 is: 521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.24 : 1,446.43 = 347.94 : x
  2. Step 2: Convert to fraction form
    964.24/1,446.43 = 347.94/x
  3. Step 3: Cross multiply
    964.24x = 1,446.43 × 347.94
  4. Step 4: Simplify right side
    964.24x = 503,269.98
  5. Step 5: Solve for x
    x = 503,269.98/964.24
  6. Step 6: Final answer
    x = 521.94

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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.