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Finding the Fourth Proportional to 625.08, 937.64 and 192.24

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Solution

The fourth proportional to 625.08, 937.64 and 192.24 is: 288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.08 : 937.64 = 192.24 : x
  2. Step 2: Convert to fraction form
    625.08/937.64 = 192.24/x
  3. Step 3: Cross multiply
    625.08x = 937.64 × 192.24
  4. Step 4: Simplify right side
    625.08x = 180,251.91
  5. Step 5: Solve for x
    x = 180,251.91/625.08
  6. Step 6: Final answer
    x = 288.37

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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.