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Finding the Fourth Proportional to 574,846.01, 793,311.96 and 320,197.31

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Solution

The fourth proportional to 574,846.01, 793,311.96 and 320,197.31 is: 441,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,846.01 : 793,311.96 = 320,197.31 : x
  2. Step 2: Convert to fraction form
    574,846.01/793,311.96 = 320,197.31/x
  3. Step 3: Cross multiply
    574,846.01x = 793,311.96 × 320,197.31
  4. Step 4: Simplify right side
    574,846.01x = 254,016,350,015.28
  5. Step 5: Solve for x
    x = 254,016,350,015.28/574,846.01
  6. Step 6: Final answer
    x = 441,885.91

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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.