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Finding the Fourth Proportional to 674.99, 1,012.89 and 466.92

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Solution

The fourth proportional to 674.99, 1,012.89 and 466.92 is: 700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.99 : 1,012.89 = 466.92 : x
  2. Step 2: Convert to fraction form
    674.99/1,012.89 = 466.92/x
  3. Step 3: Cross multiply
    674.99x = 1,012.89 × 466.92
  4. Step 4: Simplify right side
    674.99x = 472,937.72
  5. Step 5: Solve for x
    x = 472,937.72/674.99
  6. Step 6: Final answer
    x = 700.66

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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.