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Finding the Fourth Proportional to 533,115.37, 799,813.11 and 191,593.28

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Solution

The fourth proportional to 533,115.37, 799,813.11 and 191,593.28 is: 287,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,115.37 : 799,813.11 = 191,593.28 : x
  2. Step 2: Convert to fraction form
    533,115.37/799,813.11 = 191,593.28/x
  3. Step 3: Cross multiply
    533,115.37x = 799,813.11 × 191,593.28
  4. Step 4: Simplify right side
    533,115.37x = 153,238,817,131.90
  5. Step 5: Solve for x
    x = 153,238,817,131.90/533,115.37
  6. Step 6: Final answer
    x = 287,440.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.