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Finding the Fourth Proportional to 882.14, 1,322.81 and 333.93

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Solution

The fourth proportional to 882.14, 1,322.81 and 333.93 is: 500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.14 : 1,322.81 = 333.93 : x
  2. Step 2: Convert to fraction form
    882.14/1,322.81 = 333.93/x
  3. Step 3: Cross multiply
    882.14x = 1,322.81 × 333.93
  4. Step 4: Simplify right side
    882.14x = 441,725.94
  5. Step 5: Solve for x
    x = 441,725.94/882.14
  6. Step 6: Final answer
    x = 500.74

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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.