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Finding the Fourth Proportional to 449,227,205.40, 673,840,808.10 and 449,227,205.40

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Solution

The fourth proportional to 449,227,205.40, 673,840,808.10 and 449,227,205.40 is: 673,840,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,227,205.40 : 673,840,808.10 = 449,227,205.40 : x
  2. Step 2: Convert to fraction form
    449,227,205.40/673,840,808.10 = 449,227,205.40/x
  3. Step 3: Cross multiply
    449,227,205.40x = 673,840,808.10 × 449,227,205.40
  4. Step 4: Simplify right side
    449,227,205.40x = 302,707,623,107,240,704
  5. Step 5: Solve for x
    x = 302,707,623,107,240,704/449,227,205.40
  6. Step 6: Final answer
    x = 673,840,808.10

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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.