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Finding the Fourth Proportional to 293.37, 437.81 and 262.63

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Solution

The fourth proportional to 293.37, 437.81 and 262.63 is: 391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.37 : 437.81 = 262.63 : x
  2. Step 2: Convert to fraction form
    293.37/437.81 = 262.63/x
  3. Step 3: Cross multiply
    293.37x = 437.81 × 262.63
  4. Step 4: Simplify right side
    293.37x = 114,978.81
  5. Step 5: Solve for x
    x = 114,978.81/293.37
  6. Step 6: Final answer
    x = 391.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.