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Finding the Fourth Proportional to 441,021.40, 660,950.82 and 174,636.59

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Solution

The fourth proportional to 441,021.40, 660,950.82 and 174,636.59 is: 261,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,021.40 : 660,950.82 = 174,636.59 : x
  2. Step 2: Convert to fraction form
    441,021.40/660,950.82 = 174,636.59/x
  3. Step 3: Cross multiply
    441,021.40x = 660,950.82 × 174,636.59
  4. Step 4: Simplify right side
    441,021.40x = 115,426,199,014.88
  5. Step 5: Solve for x
    x = 115,426,199,014.88/441,021.40
  6. Step 6: Final answer
    x = 261,724.71

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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.