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Finding the Fourth Proportional to 404,427.40, 606,641.10 and 167,745.40

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Solution

The fourth proportional to 404,427.40, 606,641.10 and 167,745.40 is: 251,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,427.40 : 606,641.10 = 167,745.40 : x
  2. Step 2: Convert to fraction form
    404,427.40/606,641.10 = 167,745.40/x
  3. Step 3: Cross multiply
    404,427.40x = 606,641.10 × 167,745.40
  4. Step 4: Simplify right side
    404,427.40x = 101,761,253,975.94
  5. Step 5: Solve for x
    x = 101,761,253,975.94/404,427.40
  6. Step 6: Final answer
    x = 251,618.10

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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.