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Finding the Fourth Proportional to 441,334.11, 661,165.98 and 260,879.27

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Solution

The fourth proportional to 441,334.11, 661,165.98 and 260,879.27 is: 390,825.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,334.11 : 661,165.98 = 260,879.27 : x
  2. Step 2: Convert to fraction form
    441,334.11/661,165.98 = 260,879.27/x
  3. Step 3: Cross multiply
    441,334.11x = 661,165.98 × 260,879.27
  4. Step 4: Simplify right side
    441,334.11x = 172,484,498,211.24
  5. Step 5: Solve for x
    x = 172,484,498,211.24/441,334.11
  6. Step 6: Final answer
    x = 390,825.21

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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.