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Finding the Fourth Proportional to 978,824.25, 1,350,777.87 and 596,930.31

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Solution

The fourth proportional to 978,824.25, 1,350,777.87 and 596,930.31 is: 823,764.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,824.25 : 1,350,777.87 = 596,930.31 : x
  2. Step 2: Convert to fraction form
    978,824.25/1,350,777.87 = 596,930.31/x
  3. Step 3: Cross multiply
    978,824.25x = 1,350,777.87 × 596,930.31
  4. Step 4: Simplify right side
    978,824.25x = 806,320,252,680.24
  5. Step 5: Solve for x
    x = 806,320,252,680.24/978,824.25
  6. Step 6: Final answer
    x = 823,764.07

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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.