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Finding the Fourth Proportional to 325,647.22, 488,147.55 and 154,569.14

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Solution

The fourth proportional to 325,647.22, 488,147.55 and 154,569.14 is: 231,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,647.22 : 488,147.55 = 154,569.14 : x
  2. Step 2: Convert to fraction form
    325,647.22/488,147.55 = 154,569.14/x
  3. Step 3: Cross multiply
    325,647.22x = 488,147.55 × 154,569.14
  4. Step 4: Simplify right side
    325,647.22x = 75,452,548,216.98
  5. Step 5: Solve for x
    x = 75,452,548,216.98/325,647.22
  6. Step 6: Final answer
    x = 231,700.27

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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.