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Finding the Fourth Proportional to 882.22, 1,323.76 and 362.37

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Solution

The fourth proportional to 882.22, 1,323.76 and 362.37 is: 543.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.22 : 1,323.76 = 362.37 : x
  2. Step 2: Convert to fraction form
    882.22/1,323.76 = 362.37/x
  3. Step 3: Cross multiply
    882.22x = 1,323.76 × 362.37
  4. Step 4: Simplify right side
    882.22x = 479,695.87
  5. Step 5: Solve for x
    x = 479,695.87/882.22
  6. Step 6: Final answer
    x = 543.74

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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.