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Finding the Fourth Proportional to 314.94, 472.32 and 184.98

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Solution

The fourth proportional to 314.94, 472.32 and 184.98 is: 277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.94 : 472.32 = 184.98 : x
  2. Step 2: Convert to fraction form
    314.94/472.32 = 184.98/x
  3. Step 3: Cross multiply
    314.94x = 472.32 × 184.98
  4. Step 4: Simplify right side
    314.94x = 87,369.75
  5. Step 5: Solve for x
    x = 87,369.75/314.94
  6. Step 6: Final answer
    x = 277.42

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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.