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Finding the Fourth Proportional to 293.93, 440.84 and 88.46

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Solution

The fourth proportional to 293.93, 440.84 and 88.46 is: 132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.93 : 440.84 = 88.46 : x
  2. Step 2: Convert to fraction form
    293.93/440.84 = 88.46/x
  3. Step 3: Cross multiply
    293.93x = 440.84 × 88.46
  4. Step 4: Simplify right side
    293.93x = 38,996.71
  5. Step 5: Solve for x
    x = 38,996.71/293.93
  6. Step 6: Final answer
    x = 132.67

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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.