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Finding the Fourth Proportional to 449,075,862.20, 673,613,793.30 and 449,075,862.20

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Solution

The fourth proportional to 449,075,862.20, 673,613,793.30 and 449,075,862.20 is: 673,613,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,075,862.20 : 673,613,793.30 = 449,075,862.20 : x
  2. Step 2: Convert to fraction form
    449,075,862.20/673,613,793.30 = 449,075,862.20/x
  3. Step 3: Cross multiply
    449,075,862.20x = 673,613,793.30 × 449,075,862.20
  4. Step 4: Simplify right side
    449,075,862.20x = 302,503,695,016,010,048
  5. Step 5: Solve for x
    x = 302,503,695,016,010,048/449,075,862.20
  6. Step 6: Final answer
    x = 673,613,793.30

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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.