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Finding the Fourth Proportional to 368,406.81, 552,414.96 and 226,317.12

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Solution

The fourth proportional to 368,406.81, 552,414.96 and 226,317.12 is: 339,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,406.81 : 552,414.96 = 226,317.12 : x
  2. Step 2: Convert to fraction form
    368,406.81/552,414.96 = 226,317.12/x
  3. Step 3: Cross multiply
    368,406.81x = 552,414.96 × 226,317.12
  4. Step 4: Simplify right side
    368,406.81x = 125,020,962,792.12
  5. Step 5: Solve for x
    x = 125,020,962,792.12/368,406.81
  6. Step 6: Final answer
    x = 339,355.73

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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.