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Finding the Fourth Proportional to 632.22, 943.13 and 573.90

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Solution

The fourth proportional to 632.22, 943.13 and 573.90 is: 856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.22 : 943.13 = 573.90 : x
  2. Step 2: Convert to fraction form
    632.22/943.13 = 573.90/x
  3. Step 3: Cross multiply
    632.22x = 943.13 × 573.90
  4. Step 4: Simplify right side
    632.22x = 541,259.44
  5. Step 5: Solve for x
    x = 541,259.44/632.22
  6. Step 6: Final answer
    x = 856.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.