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Finding the Fourth Proportional to 496,813.60, 744,849.42 and 159,661.90

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Solution

The fourth proportional to 496,813.60, 744,849.42 and 159,661.90 is: 239,373.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,813.60 : 744,849.42 = 159,661.90 : x
  2. Step 2: Convert to fraction form
    496,813.60/744,849.42 = 159,661.90/x
  3. Step 3: Cross multiply
    496,813.60x = 744,849.42 × 159,661.90
  4. Step 4: Simplify right side
    496,813.60x = 118,924,073,611.10
  5. Step 5: Solve for x
    x = 118,924,073,611.10/496,813.60
  6. Step 6: Final answer
    x = 239,373.63

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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.