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Finding the Fourth Proportional to 574,754.85, 793,186.16 and 320,106.04

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Solution

The fourth proportional to 574,754.85, 793,186.16 and 320,106.04 is: 441,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,754.85 : 793,186.16 = 320,106.04 : x
  2. Step 2: Convert to fraction form
    574,754.85/793,186.16 = 320,106.04/x
  3. Step 3: Cross multiply
    574,754.85x = 793,186.16 × 320,106.04
  4. Step 4: Simplify right side
    574,754.85x = 253,903,677,076.91
  5. Step 5: Solve for x
    x = 253,903,677,076.91/574,754.85
  6. Step 6: Final answer
    x = 441,759.96

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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.