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Finding the Fourth Proportional to 339,560.39, 468,491.15 and 203,544.71

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Solution

The fourth proportional to 339,560.39, 468,491.15 and 203,544.71 is: 280,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,560.39 : 468,491.15 = 203,544.71 : x
  2. Step 2: Convert to fraction form
    339,560.39/468,491.15 = 203,544.71/x
  3. Step 3: Cross multiply
    339,560.39x = 468,491.15 × 203,544.71
  4. Step 4: Simplify right side
    339,560.39x = 95,358,896,944.41
  5. Step 5: Solve for x
    x = 95,358,896,944.41/339,560.39
  6. Step 6: Final answer
    x = 280,830.45

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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.