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Finding the Fourth Proportional to 263,591.37, 363,741.71 and 156,171.33

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Solution

The fourth proportional to 263,591.37, 363,741.71 and 156,171.33 is: 215,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,591.37 : 363,741.71 = 156,171.33 : x
  2. Step 2: Convert to fraction form
    263,591.37/363,741.71 = 156,171.33/x
  3. Step 3: Cross multiply
    263,591.37x = 363,741.71 × 156,171.33
  4. Step 4: Simplify right side
    263,591.37x = 56,806,025,846.32
  5. Step 5: Solve for x
    x = 56,806,025,846.32/263,591.37
  6. Step 6: Final answer
    x = 215,507.91

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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.