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Finding the Fourth Proportional to 472.68, 709.32 and 184.14

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Solution

The fourth proportional to 472.68, 709.32 and 184.14 is: 276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.68 : 709.32 = 184.14 : x
  2. Step 2: Convert to fraction form
    472.68/709.32 = 184.14/x
  3. Step 3: Cross multiply
    472.68x = 709.32 × 184.14
  4. Step 4: Simplify right side
    472.68x = 130,614.18
  5. Step 5: Solve for x
    x = 130,614.18/472.68
  6. Step 6: Final answer
    x = 276.33

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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.