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Finding the Fourth Proportional to 936.48, 1,402.92 and 524.37

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Solution

The fourth proportional to 936.48, 1,402.92 and 524.37 is: 785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    936.48 : 1,402.92 = 524.37 : x
  2. Step 2: Convert to fraction form
    936.48/1,402.92 = 524.37/x
  3. Step 3: Cross multiply
    936.48x = 1,402.92 × 524.37
  4. Step 4: Simplify right side
    936.48x = 735,642.15
  5. Step 5: Solve for x
    x = 735,642.15/936.48
  6. Step 6: Final answer
    x = 785.54

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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.