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Finding the Fourth Proportional to 2,904,506.80, 4,360,907.40 and 1,644,794.80

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Solution

The fourth proportional to 2,904,506.80, 4,360,907.40 and 1,644,794.80 is: 2,469,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904,506.80 : 4,360,907.40 = 1,644,794.80 : x
  2. Step 2: Convert to fraction form
    2,904,506.80/4,360,907.40 = 1,644,794.80/x
  3. Step 3: Cross multiply
    2,904,506.80x = 4,360,907.40 × 1,644,794.80
  4. Step 4: Simplify right side
    2,904,506.80x = 7,172,797,814,801.52
  5. Step 5: Solve for x
    x = 7,172,797,814,801.52/2,904,506.80
  6. Step 6: Final answer
    x = 2,469,540.72

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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.