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Finding the Fourth Proportional to 344,749.16, 475,757.48 and 189,702.47

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Solution

The fourth proportional to 344,749.16, 475,757.48 and 189,702.47 is: 261,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,749.16 : 475,757.48 = 189,702.47 : x
  2. Step 2: Convert to fraction form
    344,749.16/475,757.48 = 189,702.47/x
  3. Step 3: Cross multiply
    344,749.16x = 475,757.48 × 189,702.47
  4. Step 4: Simplify right side
    344,749.16x = 90,252,370,740.63
  5. Step 5: Solve for x
    x = 90,252,370,740.63/344,749.16
  6. Step 6: Final answer
    x = 261,791.41

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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.