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Finding the Fourth Proportional to 591,591.52, 816,396.28 and 323,319.52

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Solution

The fourth proportional to 591,591.52, 816,396.28 and 323,319.52 is: 446,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,591.52 : 816,396.28 = 323,319.52 : x
  2. Step 2: Convert to fraction form
    591,591.52/816,396.28 = 323,319.52/x
  3. Step 3: Cross multiply
    591,591.52x = 816,396.28 × 323,319.52
  4. Step 4: Simplify right side
    591,591.52x = 263,956,853,379.39
  5. Step 5: Solve for x
    x = 263,956,853,379.39/591,591.52
  6. Step 6: Final answer
    x = 446,180.93

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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.