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Finding the Fourth Proportional to 449,469.84, 674,208 and 112,516.32

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Solution

The fourth proportional to 449,469.84, 674,208 and 112,516.32 is: 168,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,469.84 : 674,208 = 112,516.32 : x
  2. Step 2: Convert to fraction form
    449,469.84/674,208 = 112,516.32/x
  3. Step 3: Cross multiply
    449,469.84x = 674,208 × 112,516.32
  4. Step 4: Simplify right side
    449,469.84x = 75,859,403,074.56
  5. Step 5: Solve for x
    x = 75,859,403,074.56/449,469.84
  6. Step 6: Final answer
    x = 168,775.29

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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.