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Finding the Fourth Proportional to 475,791.34, 656,601 and 260,918.56

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Solution

The fourth proportional to 475,791.34, 656,601 and 260,918.56 is: 360,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,791.34 : 656,601 = 260,918.56 : x
  2. Step 2: Convert to fraction form
    475,791.34/656,601 = 260,918.56/x
  3. Step 3: Cross multiply
    475,791.34x = 656,601 × 260,918.56
  4. Step 4: Simplify right side
    475,791.34x = 171,319,387,414.56
  5. Step 5: Solve for x
    x = 171,319,387,414.56/475,791.34
  6. Step 6: Final answer
    x = 360,072.52

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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.