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Finding the Fourth Proportional to 1,784,018.80, 2,670,560.70 and 982,847.80

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Solution

The fourth proportional to 1,784,018.80, 2,670,560.70 and 982,847.80 is: 1,471,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,018.80 : 2,670,560.70 = 982,847.80 : x
  2. Step 2: Convert to fraction form
    1,784,018.80/2,670,560.70 = 982,847.80/x
  3. Step 3: Cross multiply
    1,784,018.80x = 2,670,560.70 × 982,847.80
  4. Step 4: Simplify right side
    1,784,018.80x = 2,624,754,708,761.46
  5. Step 5: Solve for x
    x = 2,624,754,708,761.46/1,784,018.80
  6. Step 6: Final answer
    x = 1,471,259.56

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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.