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Finding the Fourth Proportional to 442,620.96, 610,868.56 and 251,662.96

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Solution

The fourth proportional to 442,620.96, 610,868.56 and 251,662.96 is: 347,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,620.96 : 610,868.56 = 251,662.96 : x
  2. Step 2: Convert to fraction form
    442,620.96/610,868.56 = 251,662.96/x
  3. Step 3: Cross multiply
    442,620.96x = 610,868.56 × 251,662.96
  4. Step 4: Simplify right side
    442,620.96x = 153,732,989,980.54
  5. Step 5: Solve for x
    x = 153,732,989,980.54/442,620.96
  6. Step 6: Final answer
    x = 347,324.24

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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.