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Finding the Fourth Proportional to 422,958.06, 583,682.26 and 229,365.72

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Solution

The fourth proportional to 422,958.06, 583,682.26 and 229,365.72 is: 316,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,958.06 : 583,682.26 = 229,365.72 : x
  2. Step 2: Convert to fraction form
    422,958.06/583,682.26 = 229,365.72/x
  3. Step 3: Cross multiply
    422,958.06x = 583,682.26 × 229,365.72
  4. Step 4: Simplify right side
    422,958.06x = 133,876,699,053.90
  5. Step 5: Solve for x
    x = 133,876,699,053.90/422,958.06
  6. Step 6: Final answer
    x = 316,524.76

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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.