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Finding the Fourth Proportional to 449,609.68, 673,833.12 and 336,401.68

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Solution

The fourth proportional to 449,609.68, 673,833.12 and 336,401.68 is: 504,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,609.68 : 673,833.12 = 336,401.68 : x
  2. Step 2: Convert to fraction form
    449,609.68/673,833.12 = 336,401.68/x
  3. Step 3: Cross multiply
    449,609.68x = 673,833.12 × 336,401.68
  4. Step 4: Simplify right side
    449,609.68x = 226,678,593,607.64
  5. Step 5: Solve for x
    x = 226,678,593,607.64/449,609.68
  6. Step 6: Final answer
    x = 504,167.51

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1.5x scale

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.