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Finding the Fourth Proportional to 472.01, 708.01 and 183.25

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Solution

The fourth proportional to 472.01, 708.01 and 183.25 is: 274.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.01 : 708.01 = 183.25 : x
  2. Step 2: Convert to fraction form
    472.01/708.01 = 183.25/x
  3. Step 3: Cross multiply
    472.01x = 708.01 × 183.25
  4. Step 4: Simplify right side
    472.01x = 129,742.83
  5. Step 5: Solve for x
    x = 129,742.83/472.01
  6. Step 6: Final answer
    x = 274.87

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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.