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Finding the Fourth Proportional to 496,315.47, 744,110.25 and 159,164.21

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Solution

The fourth proportional to 496,315.47, 744,110.25 and 159,164.21 is: 238,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,315.47 : 744,110.25 = 159,164.21 : x
  2. Step 2: Convert to fraction form
    496,315.47/744,110.25 = 159,164.21/x
  3. Step 3: Cross multiply
    496,315.47x = 744,110.25 × 159,164.21
  4. Step 4: Simplify right side
    496,315.47x = 118,435,716,373.60
  5. Step 5: Solve for x
    x = 118,435,716,373.60/496,315.47
  6. Step 6: Final answer
    x = 238,629.91

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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.