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Finding the Fourth Proportional to 568,057.92, 787,233.84 and 560,040

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Solution

The fourth proportional to 568,057.92, 787,233.84 and 560,040 is: 776,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,057.92 : 787,233.84 = 560,040 : x
  2. Step 2: Convert to fraction form
    568,057.92/787,233.84 = 560,040/x
  3. Step 3: Cross multiply
    568,057.92x = 787,233.84 × 560,040
  4. Step 4: Simplify right side
    568,057.92x = 440,882,439,753.60
  5. Step 5: Solve for x
    x = 440,882,439,753.60/568,057.92
  6. Step 6: Final answer
    x = 776,122.34

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.