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Finding the Fourth Proportional to 574,754.72, 793,186.16 and 320,105.97

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Solution

The fourth proportional to 574,754.72, 793,186.16 and 320,105.97 is: 441,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,754.72 : 793,186.16 = 320,105.97 : x
  2. Step 2: Convert to fraction form
    574,754.72/793,186.16 = 320,105.97/x
  3. Step 3: Cross multiply
    574,754.72x = 793,186.16 × 320,105.97
  4. Step 4: Simplify right side
    574,754.72x = 253,903,623,536.85
  5. Step 5: Solve for x
    x = 253,903,623,536.85/574,754.72
  6. Step 6: Final answer
    x = 441,759.97

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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.