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Finding the Fourth Proportional to 1,863,253.70, 2,794,880.55 and 1,863,253.70

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Solution

The fourth proportional to 1,863,253.70, 2,794,880.55 and 1,863,253.70 is: 2,794,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,253.70 : 2,794,880.55 = 1,863,253.70 : x
  2. Step 2: Convert to fraction form
    1,863,253.70/2,794,880.55 = 1,863,253.70/x
  3. Step 3: Cross multiply
    1,863,253.70x = 2,794,880.55 × 1,863,253.70
  4. Step 4: Simplify right side
    1,863,253.70x = 5,207,571,525,845.53
  5. Step 5: Solve for x
    x = 5,207,571,525,845.53/1,863,253.70
  6. Step 6: Final answer
    x = 2,794,880.55

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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.