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Finding the Fourth Proportional to 297,381.66, 445,139.37 and 156,713.82

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Solution

The fourth proportional to 297,381.66, 445,139.37 and 156,713.82 is: 234,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,381.66 : 445,139.37 = 156,713.82 : x
  2. Step 2: Convert to fraction form
    297,381.66/445,139.37 = 156,713.82/x
  3. Step 3: Cross multiply
    297,381.66x = 445,139.37 × 156,713.82
  4. Step 4: Simplify right side
    297,381.66x = 69,759,491,105.09
  5. Step 5: Solve for x
    x = 69,759,491,105.09/297,381.66
  6. Step 6: Final answer
    x = 234,579.00

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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.