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Finding the Fourth Proportional to 980,356.89, 1,471,794.69 and 755,859.93

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Solution

The fourth proportional to 980,356.89, 1,471,794.69 and 755,859.93 is: 1,134,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,356.89 : 1,471,794.69 = 755,859.93 : x
  2. Step 2: Convert to fraction form
    980,356.89/1,471,794.69 = 755,859.93/x
  3. Step 3: Cross multiply
    980,356.89x = 1,471,794.69 × 755,859.93
  4. Step 4: Simplify right side
    980,356.89x = 1,112,470,631,357.77
  5. Step 5: Solve for x
    x = 1,112,470,631,357.77/980,356.89
  6. Step 6: Final answer
    x = 1,134,760.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.