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Finding the Fourth Proportional to 441,220.99, 661,755.31 and 117,011.33

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Solution

The fourth proportional to 441,220.99, 661,755.31 and 117,011.33 is: 175,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,220.99 : 661,755.31 = 117,011.33 : x
  2. Step 2: Convert to fraction form
    441,220.99/661,755.31 = 117,011.33/x
  3. Step 3: Cross multiply
    441,220.99x = 661,755.31 × 117,011.33
  4. Step 4: Simplify right side
    441,220.99x = 77,432,870,319.52
  5. Step 5: Solve for x
    x = 77,432,870,319.52/441,220.99
  6. Step 6: Final answer
    x = 175,496.80

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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.