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Finding the Fourth Proportional to 295.43, 407.72 and 171.10

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Solution

The fourth proportional to 295.43, 407.72 and 171.10 is: 236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.43 : 407.72 = 171.10 : x
  2. Step 2: Convert to fraction form
    295.43/407.72 = 171.10/x
  3. Step 3: Cross multiply
    295.43x = 407.72 × 171.10
  4. Step 4: Simplify right side
    295.43x = 69,758.00
  5. Step 5: Solve for x
    x = 69,758.00/295.43
  6. Step 6: Final answer
    x = 236.12

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