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Finding the Fourth Proportional to 339,505.74, 468,310.32 and 201,591.18

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Solution

The fourth proportional to 339,505.74, 468,310.32 and 201,591.18 is: 278,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,505.74 : 468,310.32 = 201,591.18 : x
  2. Step 2: Convert to fraction form
    339,505.74/468,310.32 = 201,591.18/x
  3. Step 3: Cross multiply
    339,505.74x = 468,310.32 × 201,591.18
  4. Step 4: Simplify right side
    339,505.74x = 94,407,230,014.98
  5. Step 5: Solve for x
    x = 94,407,230,014.98/339,505.74
  6. Step 6: Final answer
    x = 278,072.56

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1.5x scale

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.