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Finding the Fourth Proportional to 913.44, 1,367.10 and 501.48

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Solution

The fourth proportional to 913.44, 1,367.10 and 501.48 is: 750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    913.44 : 1,367.10 = 501.48 : x
  2. Step 2: Convert to fraction form
    913.44/1,367.10 = 501.48/x
  3. Step 3: Cross multiply
    913.44x = 1,367.10 × 501.48
  4. Step 4: Simplify right side
    913.44x = 685,573.31
  5. Step 5: Solve for x
    x = 685,573.31/913.44
  6. Step 6: Final answer
    x = 750.54

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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.