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Finding the Fourth Proportional to 451,714.12, 623,361.22 and 247,760.98

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Solution

The fourth proportional to 451,714.12, 623,361.22 and 247,760.98 is: 341,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,714.12 : 623,361.22 = 247,760.98 : x
  2. Step 2: Convert to fraction form
    451,714.12/623,361.22 = 247,760.98/x
  3. Step 3: Cross multiply
    451,714.12x = 623,361.22 × 247,760.98
  4. Step 4: Simplify right side
    451,714.12x = 154,444,584,583.39
  5. Step 5: Solve for x
    x = 154,444,584,583.39/451,714.12
  6. Step 6: Final answer
    x = 341,907.81

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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.