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Finding the Fourth Proportional to 6,274,655.80, 9,411,983.70 and 2,235,704.20

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Solution

The fourth proportional to 6,274,655.80, 9,411,983.70 and 2,235,704.20 is: 3,353,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,274,655.80 : 9,411,983.70 = 2,235,704.20 : x
  2. Step 2: Convert to fraction form
    6,274,655.80/9,411,983.70 = 2,235,704.20/x
  3. Step 3: Cross multiply
    6,274,655.80x = 9,411,983.70 × 2,235,704.20
  4. Step 4: Simplify right side
    6,274,655.80x = 21,042,411,488,421.54
  5. Step 5: Solve for x
    x = 21,042,411,488,421.54/6,274,655.80
  6. Step 6: Final answer
    x = 3,353,556.30

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Similar ratio
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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.