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Finding the Fourth Proportional to 594,785.62, 820,781.87 and 322,847.66

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Solution

The fourth proportional to 594,785.62, 820,781.87 and 322,847.66 is: 445,517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,785.62 : 820,781.87 = 322,847.66 : x
  2. Step 2: Convert to fraction form
    594,785.62/820,781.87 = 322,847.66/x
  3. Step 3: Cross multiply
    594,785.62x = 820,781.87 × 322,847.66
  4. Step 4: Simplify right side
    594,785.62x = 264,987,506,099.92
  5. Step 5: Solve for x
    x = 264,987,506,099.92/594,785.62
  6. Step 6: Final answer
    x = 445,517.67

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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.