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Finding the Fourth Proportional to 594,405.05, 820,279.24 and 322,472.87

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Solution

The fourth proportional to 594,405.05, 820,279.24 and 322,472.87 is: 445,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,405.05 : 820,279.24 = 322,472.87 : x
  2. Step 2: Convert to fraction form
    594,405.05/820,279.24 = 322,472.87/x
  3. Step 3: Cross multiply
    594,405.05x = 820,279.24 × 322,472.87
  4. Step 4: Simplify right side
    594,405.05x = 264,517,800,724.22
  5. Step 5: Solve for x
    x = 264,517,800,724.22/594,405.05
  6. Step 6: Final answer
    x = 445,012.71

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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.