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Finding the Fourth Proportional to 316.93, 437.19 and 192.52

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Solution

The fourth proportional to 316.93, 437.19 and 192.52 is: 265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.93 : 437.19 = 192.52 : x
  2. Step 2: Convert to fraction form
    316.93/437.19 = 192.52/x
  3. Step 3: Cross multiply
    316.93x = 437.19 × 192.52
  4. Step 4: Simplify right side
    316.93x = 84,167.82
  5. Step 5: Solve for x
    x = 84,167.82/316.93
  6. Step 6: Final answer
    x = 265.57

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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.