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Finding the Fourth Proportional to 472.62, 708.69 and 184.14

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Solution

The fourth proportional to 472.62, 708.69 and 184.14 is: 276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.62 : 708.69 = 184.14 : x
  2. Step 2: Convert to fraction form
    472.62/708.69 = 184.14/x
  3. Step 3: Cross multiply
    472.62x = 708.69 × 184.14
  4. Step 4: Simplify right side
    472.62x = 130,498.18
  5. Step 5: Solve for x
    x = 130,498.18/472.62
  6. Step 6: Final answer
    x = 276.12

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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.