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Finding the Fourth Proportional to 469,181.10, 703,663.68 and 279,694.95

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Solution

The fourth proportional to 469,181.10, 703,663.68 and 279,694.95 is: 419,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,181.10 : 703,663.68 = 279,694.95 : x
  2. Step 2: Convert to fraction form
    469,181.10/703,663.68 = 279,694.95/x
  3. Step 3: Cross multiply
    469,181.10x = 703,663.68 × 279,694.95
  4. Step 4: Simplify right side
    469,181.10x = 196,811,177,794.42
  5. Step 5: Solve for x
    x = 196,811,177,794.42/469,181.10
  6. Step 6: Final answer
    x = 419,478.06

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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.