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Finding the Fourth Proportional to 295.28, 407.28 and 184.76

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Solution

The fourth proportional to 295.28, 407.28 and 184.76 is: 254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.28 : 407.28 = 184.76 : x
  2. Step 2: Convert to fraction form
    295.28/407.28 = 184.76/x
  3. Step 3: Cross multiply
    295.28x = 407.28 × 184.76
  4. Step 4: Simplify right side
    295.28x = 75,249.05
  5. Step 5: Solve for x
    x = 75,249.05/295.28
  6. Step 6: Final answer
    x = 254.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.