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Finding the Fourth Proportional to 344,394.46, 475,261.14 and 191,428.66

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Solution

The fourth proportional to 344,394.46, 475,261.14 and 191,428.66 is: 264,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,394.46 : 475,261.14 = 191,428.66 : x
  2. Step 2: Convert to fraction form
    344,394.46/475,261.14 = 191,428.66/x
  3. Step 3: Cross multiply
    344,394.46x = 475,261.14 × 191,428.66
  4. Step 4: Simplify right side
    344,394.46x = 90,978,603,180.27
  5. Step 5: Solve for x
    x = 90,978,603,180.27/344,394.46
  6. Step 6: Final answer
    x = 264,169.76

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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.