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Finding the Fourth Proportional to 641,171.84, 962,858.04 and 569,287.20

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Solution

The fourth proportional to 641,171.84, 962,858.04 and 569,287.20 is: 854,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,171.84 : 962,858.04 = 569,287.20 : x
  2. Step 2: Convert to fraction form
    641,171.84/962,858.04 = 569,287.20/x
  3. Step 3: Cross multiply
    641,171.84x = 962,858.04 × 569,287.20
  4. Step 4: Simplify right side
    641,171.84x = 548,142,759,064.98
  5. Step 5: Solve for x
    x = 548,142,759,064.98/641,171.84
  6. Step 6: Final answer
    x = 854,907.73

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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.