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Finding the Fourth Proportional to 649,889.28, 894,853.44 and 568,863.36

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Solution

The fourth proportional to 649,889.28, 894,853.44 and 568,863.36 is: 783,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,889.28 : 894,853.44 = 568,863.36 : x
  2. Step 2: Convert to fraction form
    649,889.28/894,853.44 = 568,863.36/x
  3. Step 3: Cross multiply
    649,889.28x = 894,853.44 × 568,863.36
  4. Step 4: Simplify right side
    649,889.28x = 509,049,334,585.96
  5. Step 5: Solve for x
    x = 509,049,334,585.96/649,889.28
  6. Step 6: Final answer
    x = 783,286.25

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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.