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Finding the Fourth Proportional to 664,356.27, 996,051.63 and 264,877.23

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Solution

The fourth proportional to 664,356.27, 996,051.63 and 264,877.23 is: 397,123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,356.27 : 996,051.63 = 264,877.23 : x
  2. Step 2: Convert to fraction form
    664,356.27/996,051.63 = 264,877.23/x
  3. Step 3: Cross multiply
    664,356.27x = 996,051.63 × 264,877.23
  4. Step 4: Simplify right side
    664,356.27x = 263,831,396,691.39
  5. Step 5: Solve for x
    x = 263,831,396,691.39/664,356.27
  6. Step 6: Final answer
    x = 397,123.36

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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.