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Finding the Fourth Proportional to 496,084.91, 744,131.41 and 159,126.05

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Solution

The fourth proportional to 496,084.91, 744,131.41 and 159,126.05 is: 238,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,084.91 : 744,131.41 = 159,126.05 : x
  2. Step 2: Convert to fraction form
    496,084.91/744,131.41 = 159,126.05/x
  3. Step 3: Cross multiply
    496,084.91x = 744,131.41 × 159,126.05
  4. Step 4: Simplify right side
    496,084.91x = 118,410,693,416.74
  5. Step 5: Solve for x
    x = 118,410,693,416.74/496,084.91
  6. Step 6: Final answer
    x = 238,690.38

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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.