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Finding the Fourth Proportional to 533,134.22, 799,012.42 and 398,961.77

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Solution

The fourth proportional to 533,134.22, 799,012.42 and 398,961.77 is: 597,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,134.22 : 799,012.42 = 398,961.77 : x
  2. Step 2: Convert to fraction form
    533,134.22/799,012.42 = 398,961.77/x
  3. Step 3: Cross multiply
    533,134.22x = 799,012.42 × 398,961.77
  4. Step 4: Simplify right side
    533,134.22x = 318,775,404,342.72
  5. Step 5: Solve for x
    x = 318,775,404,342.72/533,134.22
  6. Step 6: Final answer
    x = 597,927.12

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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.