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Finding the Fourth Proportional to 970,791.28, 1,456,843.03 and 339,710.56

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Solution

The fourth proportional to 970,791.28, 1,456,843.03 and 339,710.56 is: 509,795.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,791.28 : 1,456,843.03 = 339,710.56 : x
  2. Step 2: Convert to fraction form
    970,791.28/1,456,843.03 = 339,710.56/x
  3. Step 3: Cross multiply
    970,791.28x = 1,456,843.03 × 339,710.56
  4. Step 4: Simplify right side
    970,791.28x = 494,904,959,854.84
  5. Step 5: Solve for x
    x = 494,904,959,854.84/970,791.28
  6. Step 6: Final answer
    x = 509,795.43

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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.