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Finding the Fourth Proportional to 627,440.22, 940,744.26 and 228,033.54

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Solution

The fourth proportional to 627,440.22, 940,744.26 and 228,033.54 is: 341,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,440.22 : 940,744.26 = 228,033.54 : x
  2. Step 2: Convert to fraction form
    627,440.22/940,744.26 = 228,033.54/x
  3. Step 3: Cross multiply
    627,440.22x = 940,744.26 × 228,033.54
  4. Step 4: Simplify right side
    627,440.22x = 214,521,243,842.48
  5. Step 5: Solve for x
    x = 214,521,243,842.48/627,440.22
  6. Step 6: Final answer
    x = 341,899.10

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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.