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Finding the Fourth Proportional to 632.44, 943.76 and 559.54

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Solution

The fourth proportional to 632.44, 943.76 and 559.54 is: 834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.44 : 943.76 = 559.54 : x
  2. Step 2: Convert to fraction form
    632.44/943.76 = 559.54/x
  3. Step 3: Cross multiply
    632.44x = 943.76 × 559.54
  4. Step 4: Simplify right side
    632.44x = 528,071.47
  5. Step 5: Solve for x
    x = 528,071.47/632.44
  6. Step 6: Final answer
    x = 834.97

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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.