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Finding the Fourth Proportional to 441,752.80, 661,645.04 and 363,020.80

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Solution

The fourth proportional to 441,752.80, 661,645.04 and 363,020.80 is: 543,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,752.80 : 661,645.04 = 363,020.80 : x
  2. Step 2: Convert to fraction form
    441,752.80/661,645.04 = 363,020.80/x
  3. Step 3: Cross multiply
    441,752.80x = 661,645.04 × 363,020.80
  4. Step 4: Simplify right side
    441,752.80x = 240,190,911,736.83
  5. Step 5: Solve for x
    x = 240,190,911,736.83/441,752.80
  6. Step 6: Final answer
    x = 543,722.44

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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.