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Finding the Fourth Proportional to 294.95, 407.05 and 184.42

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Solution

The fourth proportional to 294.95, 407.05 and 184.42 is: 254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.95 : 407.05 = 184.42 : x
  2. Step 2: Convert to fraction form
    294.95/407.05 = 184.42/x
  3. Step 3: Cross multiply
    294.95x = 407.05 × 184.42
  4. Step 4: Simplify right side
    294.95x = 75,066.68
  5. Step 5: Solve for x
    x = 75,066.68/294.95
  6. Step 6: Final answer
    x = 254.50

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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.