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Finding the Fourth Proportional to 550,061.80, 825,092.70 and 439,469.80

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Solution

The fourth proportional to 550,061.80, 825,092.70 and 439,469.80 is: 659,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,061.80 : 825,092.70 = 439,469.80 : x
  2. Step 2: Convert to fraction form
    550,061.80/825,092.70 = 439,469.80/x
  3. Step 3: Cross multiply
    550,061.80x = 825,092.70 × 439,469.80
  4. Step 4: Simplify right side
    550,061.80x = 362,603,323,850.46
  5. Step 5: Solve for x
    x = 362,603,323,850.46/550,061.80
  6. Step 6: Final answer
    x = 659,204.70

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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.