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Finding the Fourth Proportional to 292.64, 403.83 and 176.18

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Solution

The fourth proportional to 292.64, 403.83 and 176.18 is: 243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.64 : 403.83 = 176.18 : x
  2. Step 2: Convert to fraction form
    292.64/403.83 = 176.18/x
  3. Step 3: Cross multiply
    292.64x = 403.83 × 176.18
  4. Step 4: Simplify right side
    292.64x = 71,146.77
  5. Step 5: Solve for x
    x = 71,146.77/292.64
  6. Step 6: Final answer
    x = 243.12

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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.