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Finding the Fourth Proportional to 2,992,224.80, 4,488,337.20 and 2,668,743.20

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Solution

The fourth proportional to 2,992,224.80, 4,488,337.20 and 2,668,743.20 is: 4,003,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,224.80 : 4,488,337.20 = 2,668,743.20 : x
  2. Step 2: Convert to fraction form
    2,992,224.80/4,488,337.20 = 2,668,743.20/x
  3. Step 3: Cross multiply
    2,992,224.80x = 4,488,337.20 × 2,668,743.20
  4. Step 4: Simplify right side
    2,992,224.80x = 11,978,219,381,807.04
  5. Step 5: Solve for x
    x = 11,978,219,381,807.04/2,992,224.80
  6. Step 6: Final answer
    x = 4,003,114.80

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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.