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Finding the Fourth Proportional to 314.74, 472.09 and 184.83

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Solution

The fourth proportional to 314.74, 472.09 and 184.83 is: 277.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.74 : 472.09 = 184.83 : x
  2. Step 2: Convert to fraction form
    314.74/472.09 = 184.83/x
  3. Step 3: Cross multiply
    314.74x = 472.09 × 184.83
  4. Step 4: Simplify right side
    314.74x = 87,256.39
  5. Step 5: Solve for x
    x = 87,256.39/314.74
  6. Step 6: Final answer
    x = 277.23

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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.