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Finding the Fourth Proportional to 295.07, 407.16 and 178.61

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Solution

The fourth proportional to 295.07, 407.16 and 178.61 is: 246.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.07 : 407.16 = 178.61 : x
  2. Step 2: Convert to fraction form
    295.07/407.16 = 178.61/x
  3. Step 3: Cross multiply
    295.07x = 407.16 × 178.61
  4. Step 4: Simplify right side
    295.07x = 72,720.81
  5. Step 5: Solve for x
    x = 72,720.81/295.07
  6. Step 6: Final answer
    x = 246.46

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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.