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Finding the Fourth Proportional to 441,766.80, 661,666.05 and 363,034.80

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Solution

The fourth proportional to 441,766.80, 661,666.05 and 363,034.80 is: 543,743.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,766.80 : 661,666.05 = 363,034.80 : x
  2. Step 2: Convert to fraction form
    441,766.80/661,666.05 = 363,034.80/x
  3. Step 3: Cross multiply
    441,766.80x = 661,666.05 × 363,034.80
  4. Step 4: Simplify right side
    441,766.80x = 240,207,802,128.54
  5. Step 5: Solve for x
    x = 240,207,802,128.54/441,766.80
  6. Step 6: Final answer
    x = 543,743.45

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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.