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Finding the Fourth Proportional to 422,979.95, 583,733.76 and 232,011.15

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Solution

The fourth proportional to 422,979.95, 583,733.76 and 232,011.15 is: 320,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,979.95 : 583,733.76 = 232,011.15 : x
  2. Step 2: Convert to fraction form
    422,979.95/583,733.76 = 232,011.15/x
  3. Step 3: Cross multiply
    422,979.95x = 583,733.76 × 232,011.15
  4. Step 4: Simplify right side
    422,979.95x = 135,432,739,791.37
  5. Step 5: Solve for x
    x = 135,432,739,791.37/422,979.95
  6. Step 6: Final answer
    x = 320,187.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.