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Finding the Fourth Proportional to 403,610.20, 605,415.30 and 167,414.20

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Solution

The fourth proportional to 403,610.20, 605,415.30 and 167,414.20 is: 251,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,610.20 : 605,415.30 = 167,414.20 : x
  2. Step 2: Convert to fraction form
    403,610.20/605,415.30 = 167,414.20/x
  3. Step 3: Cross multiply
    403,610.20x = 605,415.30 × 167,414.20
  4. Step 4: Simplify right side
    403,610.20x = 101,355,118,117.26
  5. Step 5: Solve for x
    x = 101,355,118,117.26/403,610.20
  6. Step 6: Final answer
    x = 251,121.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.