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Finding the Fourth Proportional to 453,440.22, 680,247.81 and 253,985.82

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Solution

The fourth proportional to 453,440.22, 680,247.81 and 253,985.82 is: 381,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,440.22 : 680,247.81 = 253,985.82 : x
  2. Step 2: Convert to fraction form
    453,440.22/680,247.81 = 253,985.82/x
  3. Step 3: Cross multiply
    453,440.22x = 680,247.81 × 253,985.82
  4. Step 4: Simplify right side
    453,440.22x = 172,773,297,826.05
  5. Step 5: Solve for x
    x = 172,773,297,826.05/453,440.22
  6. Step 6: Final answer
    x = 381,027.73

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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.