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Finding the Fourth Proportional to 614.94, 922.25 and 181.99

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Solution

The fourth proportional to 614.94, 922.25 and 181.99 is: 272.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.94 : 922.25 = 181.99 : x
  2. Step 2: Convert to fraction form
    614.94/922.25 = 181.99/x
  3. Step 3: Cross multiply
    614.94x = 922.25 × 181.99
  4. Step 4: Simplify right side
    614.94x = 167,840.86
  5. Step 5: Solve for x
    x = 167,840.86/614.94
  6. Step 6: Final answer
    x = 272.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.