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Finding the Fourth Proportional to 472.02, 707.82 and 183.25

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Solution

The fourth proportional to 472.02, 707.82 and 183.25 is: 274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.02 : 707.82 = 183.25 : x
  2. Step 2: Convert to fraction form
    472.02/707.82 = 183.25/x
  3. Step 3: Cross multiply
    472.02x = 707.82 × 183.25
  4. Step 4: Simplify right side
    472.02x = 129,708.02
  5. Step 5: Solve for x
    x = 129,708.02/472.02
  6. Step 6: Final answer
    x = 274.79

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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.