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Finding the Fourth Proportional to 496,315.13, 744,109.74 and 159,163.86

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Solution

The fourth proportional to 496,315.13, 744,109.74 and 159,163.86 is: 238,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,315.13 : 744,109.74 = 159,163.86 : x
  2. Step 2: Convert to fraction form
    496,315.13/744,109.74 = 159,163.86/x
  3. Step 3: Cross multiply
    496,315.13x = 744,109.74 × 159,163.86
  4. Step 4: Simplify right side
    496,315.13x = 118,435,377,686.18
  5. Step 5: Solve for x
    x = 118,435,377,686.18/496,315.13
  6. Step 6: Final answer
    x = 238,629.39

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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.