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Finding the Fourth Proportional to 422,593.67, 583,178.13 and 229,006.76

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Solution

The fourth proportional to 422,593.67, 583,178.13 and 229,006.76 is: 316,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,593.67 : 583,178.13 = 229,006.76 : x
  2. Step 2: Convert to fraction form
    422,593.67/583,178.13 = 229,006.76/x
  3. Step 3: Cross multiply
    422,593.67x = 583,178.13 × 229,006.76
  4. Step 4: Simplify right side
    422,593.67x = 133,551,731,138.27
  5. Step 5: Solve for x
    x = 133,551,731,138.27/422,593.67
  6. Step 6: Final answer
    x = 316,028.71

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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.