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Finding the Fourth Proportional to 586,171.62, 809,068.91 and 331,670.43

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Solution

The fourth proportional to 586,171.62, 809,068.91 and 331,670.43 is: 457,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,171.62 : 809,068.91 = 331,670.43 : x
  2. Step 2: Convert to fraction form
    586,171.62/809,068.91 = 331,670.43/x
  3. Step 3: Cross multiply
    586,171.62x = 809,068.91 × 331,670.43
  4. Step 4: Simplify right side
    586,171.62x = 268,344,231,620.98
  5. Step 5: Solve for x
    x = 268,344,231,620.98/586,171.62
  6. Step 6: Final answer
    x = 457,791.24

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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.