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Finding the Fourth Proportional to 451,709.44, 623,343.36 and 250,524.16

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Solution

The fourth proportional to 451,709.44, 623,343.36 and 250,524.16 is: 345,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,709.44 : 623,343.36 = 250,524.16 : x
  2. Step 2: Convert to fraction form
    451,709.44/623,343.36 = 250,524.16/x
  3. Step 3: Cross multiply
    451,709.44x = 623,343.36 × 250,524.16
  4. Step 4: Simplify right side
    451,709.44x = 156,162,571,655.58
  5. Step 5: Solve for x
    x = 156,162,571,655.58/451,709.44
  6. Step 6: Final answer
    x = 345,714.65

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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.