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Finding the Fourth Proportional to 1,785,708.80, 2,494,393.60 and 1,785,708.80

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Solution

The fourth proportional to 1,785,708.80, 2,494,393.60 and 1,785,708.80 is: 2,494,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,708.80 : 2,494,393.60 = 1,785,708.80 : x
  2. Step 2: Convert to fraction form
    1,785,708.80/2,494,393.60 = 1,785,708.80/x
  3. Step 3: Cross multiply
    1,785,708.80x = 2,494,393.60 × 1,785,708.80
  4. Step 4: Simplify right side
    1,785,708.80x = 4,454,260,602,183.68
  5. Step 5: Solve for x
    x = 4,454,260,602,183.68/1,785,708.80
  6. Step 6: Final answer
    x = 2,494,393.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.