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Finding the Fourth Proportional to 882.26, 1,324.06 and 603.95

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Solution

The fourth proportional to 882.26, 1,324.06 and 603.95 is: 906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.26 : 1,324.06 = 603.95 : x
  2. Step 2: Convert to fraction form
    882.26/1,324.06 = 603.95/x
  3. Step 3: Cross multiply
    882.26x = 1,324.06 × 603.95
  4. Step 4: Simplify right side
    882.26x = 799,666.04
  5. Step 5: Solve for x
    x = 799,666.04/882.26
  6. Step 6: Final answer
    x = 906.38

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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.