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Finding the Fourth Proportional to 426,115.89, 588,022.74 and 235,126.80

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Solution

The fourth proportional to 426,115.89, 588,022.74 and 235,126.80 is: 324,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,115.89 : 588,022.74 = 235,126.80 : x
  2. Step 2: Convert to fraction form
    426,115.89/588,022.74 = 235,126.80/x
  3. Step 3: Cross multiply
    426,115.89x = 588,022.74 × 235,126.80
  4. Step 4: Simplify right side
    426,115.89x = 138,259,905,183.43
  5. Step 5: Solve for x
    x = 138,259,905,183.43/426,115.89
  6. Step 6: Final answer
    x = 324,465.50

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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.