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Finding the Fourth Proportional to 649,854.28, 894,805.14 and 568,828.36

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Solution

The fourth proportional to 649,854.28, 894,805.14 and 568,828.36 is: 783,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,854.28 : 894,805.14 = 568,828.36 : x
  2. Step 2: Convert to fraction form
    649,854.28/894,805.14 = 568,828.36/x
  3. Step 3: Cross multiply
    649,854.28x = 894,805.14 × 568,828.36
  4. Step 4: Simplify right side
    649,854.28x = 508,990,540,305.77
  5. Step 5: Solve for x
    x = 508,990,540,305.77/649,854.28
  6. Step 6: Final answer
    x = 783,237.96

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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.