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Finding the Fourth Proportional to 736.23, 1,016.16 and 500.31

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Solution

The fourth proportional to 736.23, 1,016.16 and 500.31 is: 690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.23 : 1,016.16 = 500.31 : x
  2. Step 2: Convert to fraction form
    736.23/1,016.16 = 500.31/x
  3. Step 3: Cross multiply
    736.23x = 1,016.16 × 500.31
  4. Step 4: Simplify right side
    736.23x = 508,395.01
  5. Step 5: Solve for x
    x = 508,395.01/736.23
  6. Step 6: Final answer
    x = 690.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.