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Finding the Fourth Proportional to 534,988.80, 801,316.80 and 441,676.80

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Solution

The fourth proportional to 534,988.80, 801,316.80 and 441,676.80 is: 661,552.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,988.80 : 801,316.80 = 441,676.80 : x
  2. Step 2: Convert to fraction form
    534,988.80/801,316.80 = 441,676.80/x
  3. Step 3: Cross multiply
    534,988.80x = 801,316.80 × 441,676.80
  4. Step 4: Simplify right side
    534,988.80x = 353,923,040,010.24
  5. Step 5: Solve for x
    x = 353,923,040,010.24/534,988.80
  6. Step 6: Final answer
    x = 661,552.24

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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.