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Finding the Fourth Proportional to 331,277.12, 496,713.12 and 162,583.28

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Solution

The fourth proportional to 331,277.12, 496,713.12 and 162,583.28 is: 243,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,277.12 : 496,713.12 = 162,583.28 : x
  2. Step 2: Convert to fraction form
    331,277.12/496,713.12 = 162,583.28/x
  3. Step 3: Cross multiply
    331,277.12x = 496,713.12 × 162,583.28
  4. Step 4: Simplify right side
    331,277.12x = 80,757,248,268.63
  5. Step 5: Solve for x
    x = 80,757,248,268.63/331,277.12
  6. Step 6: Final answer
    x = 243,775.51

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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.