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Finding the Fourth Proportional to 632.24, 945.92 and 554.48

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Solution

The fourth proportional to 632.24, 945.92 and 554.48 is: 829.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.24 : 945.92 = 554.48 : x
  2. Step 2: Convert to fraction form
    632.24/945.92 = 554.48/x
  3. Step 3: Cross multiply
    632.24x = 945.92 × 554.48
  4. Step 4: Simplify right side
    632.24x = 524,493.72
  5. Step 5: Solve for x
    x = 524,493.72/632.24
  6. Step 6: Final answer
    x = 829.58

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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.