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Finding the Fourth Proportional to 883.24, 1,323.72 and 362.66

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Solution

The fourth proportional to 883.24, 1,323.72 and 362.66 is: 543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.24 : 1,323.72 = 362.66 : x
  2. Step 2: Convert to fraction form
    883.24/1,323.72 = 362.66/x
  3. Step 3: Cross multiply
    883.24x = 1,323.72 × 362.66
  4. Step 4: Simplify right side
    883.24x = 480,053.68
  5. Step 5: Solve for x
    x = 480,053.68/883.24
  6. Step 6: Final answer
    x = 543.52

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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.