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Finding the Fourth Proportional to 625.13, 937.83 and 192.32

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Solution

The fourth proportional to 625.13, 937.83 and 192.32 is: 288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.13 : 937.83 = 192.32 : x
  2. Step 2: Convert to fraction form
    625.13/937.83 = 192.32/x
  3. Step 3: Cross multiply
    625.13x = 937.83 × 192.32
  4. Step 4: Simplify right side
    625.13x = 180,363.47
  5. Step 5: Solve for x
    x = 180,363.47/625.13
  6. Step 6: Final answer
    x = 288.52

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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.