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Finding the Fourth Proportional to 573,563.72, 791,617.01 and 331,979.50

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Solution

The fourth proportional to 573,563.72, 791,617.01 and 331,979.50 is: 458,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,563.72 : 791,617.01 = 331,979.50 : x
  2. Step 2: Convert to fraction form
    573,563.72/791,617.01 = 331,979.50/x
  3. Step 3: Cross multiply
    573,563.72x = 791,617.01 × 331,979.50
  4. Step 4: Simplify right side
    573,563.72x = 262,800,619,171.30
  5. Step 5: Solve for x
    x = 262,800,619,171.30/573,563.72
  6. Step 6: Final answer
    x = 458,189.06

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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.