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Finding the Fourth Proportional to 564.86, 847.23 and 175.12

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Solution

The fourth proportional to 564.86, 847.23 and 175.12 is: 262.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.86 : 847.23 = 175.12 : x
  2. Step 2: Convert to fraction form
    564.86/847.23 = 175.12/x
  3. Step 3: Cross multiply
    564.86x = 847.23 × 175.12
  4. Step 4: Simplify right side
    564.86x = 148,366.53
  5. Step 5: Solve for x
    x = 148,366.53/564.86
  6. Step 6: Final answer
    x = 262.66

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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.