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Finding the Fourth Proportional to 499.13, 746.92 and 437.27

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Solution

The fourth proportional to 499.13, 746.92 and 437.27 is: 654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.13 : 746.92 = 437.27 : x
  2. Step 2: Convert to fraction form
    499.13/746.92 = 437.27/x
  3. Step 3: Cross multiply
    499.13x = 746.92 × 437.27
  4. Step 4: Simplify right side
    499.13x = 326,602.52
  5. Step 5: Solve for x
    x = 326,602.52/499.13
  6. Step 6: Final answer
    x = 654.35

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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.