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Finding the Fourth Proportional to 295.66, 407.16 and 294.76

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Solution

The fourth proportional to 295.66, 407.16 and 294.76 is: 405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.66 : 407.16 = 294.76 : x
  2. Step 2: Convert to fraction form
    295.66/407.16 = 294.76/x
  3. Step 3: Cross multiply
    295.66x = 407.16 × 294.76
  4. Step 4: Simplify right side
    295.66x = 120,014.48
  5. Step 5: Solve for x
    x = 120,014.48/295.66
  6. Step 6: Final answer
    x = 405.92

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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.