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Finding the Fourth Proportional to 357.54, 492.60 and 246.86

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Solution

The fourth proportional to 357.54, 492.60 and 246.86 is: 340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.54 : 492.60 = 246.86 : x
  2. Step 2: Convert to fraction form
    357.54/492.60 = 246.86/x
  3. Step 3: Cross multiply
    357.54x = 492.60 × 246.86
  4. Step 4: Simplify right side
    357.54x = 121,603.24
  5. Step 5: Solve for x
    x = 121,603.24/357.54
  6. Step 6: Final answer
    x = 340.11

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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.