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Finding the Fourth Proportional to 882.93, 1,324.20 and 576.93

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Solution

The fourth proportional to 882.93, 1,324.20 and 576.93 is: 865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.93 : 1,324.20 = 576.93 : x
  2. Step 2: Convert to fraction form
    882.93/1,324.20 = 576.93/x
  3. Step 3: Cross multiply
    882.93x = 1,324.20 × 576.93
  4. Step 4: Simplify right side
    882.93x = 763,970.71
  5. Step 5: Solve for x
    x = 763,970.71/882.93
  6. Step 6: Final answer
    x = 865.27

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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.