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Finding the Fourth Proportional to 404,645.96, 606,745.49 and 254,565.11

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Solution

The fourth proportional to 404,645.96, 606,745.49 and 254,565.11 is: 381,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,645.96 : 606,745.49 = 254,565.11 : x
  2. Step 2: Convert to fraction form
    404,645.96/606,745.49 = 254,565.11/x
  3. Step 3: Cross multiply
    404,645.96x = 606,745.49 × 254,565.11
  4. Step 4: Simplify right side
    404,645.96x = 154,456,232,647.89
  5. Step 5: Solve for x
    x = 154,456,232,647.89/404,645.96
  6. Step 6: Final answer
    x = 381,707.09

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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.