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Finding the Fourth Proportional to 461,635.32, 693,670.68 and 248,560.80

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Solution

The fourth proportional to 461,635.32, 693,670.68 and 248,560.80 is: 373,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,635.32 : 693,670.68 = 248,560.80 : x
  2. Step 2: Convert to fraction form
    461,635.32/693,670.68 = 248,560.80/x
  3. Step 3: Cross multiply
    461,635.32x = 693,670.68 × 248,560.80
  4. Step 4: Simplify right side
    461,635.32x = 172,419,339,157.34
  5. Step 5: Solve for x
    x = 172,419,339,157.34/461,635.32
  6. Step 6: Final answer
    x = 373,496.85

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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.