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Finding the Fourth Proportional to 325,672.80, 488,578.86 and 101,028.36

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Solution

The fourth proportional to 325,672.80, 488,578.86 and 101,028.36 is: 151,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,672.80 : 488,578.86 = 101,028.36 : x
  2. Step 2: Convert to fraction form
    325,672.80/488,578.86 = 101,028.36/x
  3. Step 3: Cross multiply
    325,672.80x = 488,578.86 × 101,028.36
  4. Step 4: Simplify right side
    325,672.80x = 49,360,320,956.47
  5. Step 5: Solve for x
    x = 49,360,320,956.47/325,672.80
  6. Step 6: Final answer
    x = 151,564.15

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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.