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Finding the Fourth Proportional to 304.84, 457.38 and 122.32

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Solution

The fourth proportional to 304.84, 457.38 and 122.32 is: 183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.84 : 457.38 = 122.32 : x
  2. Step 2: Convert to fraction form
    304.84/457.38 = 122.32/x
  3. Step 3: Cross multiply
    304.84x = 457.38 × 122.32
  4. Step 4: Simplify right side
    304.84x = 55,946.72
  5. Step 5: Solve for x
    x = 55,946.72/304.84
  6. Step 6: Final answer
    x = 183.53

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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.