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Finding the Fourth Proportional to 422,983.99, 583,755.33 and 232,034.59

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Solution

The fourth proportional to 422,983.99, 583,755.33 and 232,034.59 is: 320,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,983.99 : 583,755.33 = 232,034.59 : x
  2. Step 2: Convert to fraction form
    422,983.99/583,755.33 = 232,034.59/x
  3. Step 3: Cross multiply
    422,983.99x = 583,755.33 × 232,034.59
  4. Step 4: Simplify right side
    422,983.99x = 135,451,428,656.87
  5. Step 5: Solve for x
    x = 135,451,428,656.87/422,983.99
  6. Step 6: Final answer
    x = 320,228.26

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1.5x scale

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.