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Finding the Fourth Proportional to 607.98, 912 and 175.14

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Solution

The fourth proportional to 607.98, 912 and 175.14 is: 262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.98 : 912 = 175.14 : x
  2. Step 2: Convert to fraction form
    607.98/912 = 175.14/x
  3. Step 3: Cross multiply
    607.98x = 912 × 175.14
  4. Step 4: Simplify right side
    607.98x = 159,727.68
  5. Step 5: Solve for x
    x = 159,727.68/607.98
  6. Step 6: Final answer
    x = 262.72

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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.