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Finding the Fourth Proportional to 394,425.27, 592,162.94 and 266,770.39

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Solution

The fourth proportional to 394,425.27, 592,162.94 and 266,770.39 is: 400,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,425.27 : 592,162.94 = 266,770.39 : x
  2. Step 2: Convert to fraction form
    394,425.27/592,162.94 = 266,770.39/x
  3. Step 3: Cross multiply
    394,425.27x = 592,162.94 × 266,770.39
  4. Step 4: Simplify right side
    394,425.27x = 157,971,537,633.87
  5. Step 5: Solve for x
    x = 157,971,537,633.87/394,425.27
  6. Step 6: Final answer
    x = 400,510.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.