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Finding the Fourth Proportional to 3,704,804.80, 5,557,984.80 and 1,145,809.60

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Solution

The fourth proportional to 3,704,804.80, 5,557,984.80 and 1,145,809.60 is: 1,718,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704,804.80 : 5,557,984.80 = 1,145,809.60 : x
  2. Step 2: Convert to fraction form
    3,704,804.80/5,557,984.80 = 1,145,809.60/x
  3. Step 3: Cross multiply
    3,704,804.80x = 5,557,984.80 × 1,145,809.60
  4. Step 4: Simplify right side
    3,704,804.80x = 6,368,392,340,494.08
  5. Step 5: Solve for x
    x = 6,368,392,340,494.08/3,704,804.80
  6. Step 6: Final answer
    x = 1,718,954.89

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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.