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Finding the Fourth Proportional to 586,180.76, 809,081.50 and 331,679.56

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Solution

The fourth proportional to 586,180.76, 809,081.50 and 331,679.56 is: 457,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,180.76 : 809,081.50 = 331,679.56 : x
  2. Step 2: Convert to fraction form
    586,180.76/809,081.50 = 331,679.56/x
  3. Step 3: Cross multiply
    586,180.76x = 809,081.50 × 331,679.56
  4. Step 4: Simplify right side
    586,180.76x = 268,355,795,924.14
  5. Step 5: Solve for x
    x = 268,355,795,924.14/586,180.76
  6. Step 6: Final answer
    x = 457,803.83

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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.