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Finding the Fourth Proportional to 441,044.80, 661,567.20 and 301,076.80

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Solution

The fourth proportional to 441,044.80, 661,567.20 and 301,076.80 is: 451,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,044.80 : 661,567.20 = 301,076.80 : x
  2. Step 2: Convert to fraction form
    441,044.80/661,567.20 = 301,076.80/x
  3. Step 3: Cross multiply
    441,044.80x = 661,567.20 × 301,076.80
  4. Step 4: Simplify right side
    441,044.80x = 199,182,535,560.96
  5. Step 5: Solve for x
    x = 199,182,535,560.96/441,044.80
  6. Step 6: Final answer
    x = 451,615.20

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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.