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Finding the Fourth Proportional to 292.54, 403.70 and 181.96

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Solution

The fourth proportional to 292.54, 403.70 and 181.96 is: 251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.54 : 403.70 = 181.96 : x
  2. Step 2: Convert to fraction form
    292.54/403.70 = 181.96/x
  3. Step 3: Cross multiply
    292.54x = 403.70 × 181.96
  4. Step 4: Simplify right side
    292.54x = 73,457.25
  5. Step 5: Solve for x
    x = 73,457.25/292.54
  6. Step 6: Final answer
    x = 251.10

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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.