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Finding the Fourth Proportional to 693,310.26, 955,842.93 and 550,542.90

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Solution

The fourth proportional to 693,310.26, 955,842.93 and 550,542.90 is: 759,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,310.26 : 955,842.93 = 550,542.90 : x
  2. Step 2: Convert to fraction form
    693,310.26/955,842.93 = 550,542.90/x
  3. Step 3: Cross multiply
    693,310.26x = 955,842.93 × 550,542.90
  4. Step 4: Simplify right side
    693,310.26x = 526,232,538,626.70
  5. Step 5: Solve for x
    x = 526,232,538,626.70/693,310.26
  6. Step 6: Final answer
    x = 759,014.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.