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Finding the Fourth Proportional to 1,691,968.68, 2,335,035.54 and 966,923.52

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Solution

The fourth proportional to 1,691,968.68, 2,335,035.54 and 966,923.52 is: 1,334,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,968.68 : 2,335,035.54 = 966,923.52 : x
  2. Step 2: Convert to fraction form
    1,691,968.68/2,335,035.54 = 966,923.52/x
  3. Step 3: Cross multiply
    1,691,968.68x = 2,335,035.54 × 966,923.52
  4. Step 4: Simplify right side
    1,691,968.68x = 2,257,800,783,661.90
  5. Step 5: Solve for x
    x = 2,257,800,783,661.90/1,691,968.68
  6. Step 6: Final answer
    x = 1,334,422.33

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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.