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Finding the Fourth Proportional to 675.86, 932.94 and 467.12

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Solution

The fourth proportional to 675.86, 932.94 and 467.12 is: 644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.86 : 932.94 = 467.12 : x
  2. Step 2: Convert to fraction form
    675.86/932.94 = 467.12/x
  3. Step 3: Cross multiply
    675.86x = 932.94 × 467.12
  4. Step 4: Simplify right side
    675.86x = 435,794.93
  5. Step 5: Solve for x
    x = 435,794.93/675.86
  6. Step 6: Final answer
    x = 644.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.