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Finding the Fourth Proportional to 472.04, 708.12 and 183.56

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Solution

The fourth proportional to 472.04, 708.12 and 183.56 is: 275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.04 : 708.12 = 183.56 : x
  2. Step 2: Convert to fraction form
    472.04/708.12 = 183.56/x
  3. Step 3: Cross multiply
    472.04x = 708.12 × 183.56
  4. Step 4: Simplify right side
    472.04x = 129,982.51
  5. Step 5: Solve for x
    x = 129,982.51/472.04
  6. Step 6: Final answer
    x = 275.36

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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.