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Finding the Fourth Proportional to 649,893.28, 894,858.96 and 568,867.36

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Solution

The fourth proportional to 649,893.28, 894,858.96 and 568,867.36 is: 783,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,893.28 : 894,858.96 = 568,867.36 : x
  2. Step 2: Convert to fraction form
    649,893.28/894,858.96 = 568,867.36/x
  3. Step 3: Cross multiply
    649,893.28x = 894,858.96 × 568,867.36
  4. Step 4: Simplify right side
    649,893.28x = 509,056,054,147.55
  5. Step 5: Solve for x
    x = 509,056,054,147.55/649,893.28
  6. Step 6: Final answer
    x = 783,291.76

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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.