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Finding the Fourth Proportional to 449,217.29, 673,823.21 and 112,256.21

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Solution

The fourth proportional to 449,217.29, 673,823.21 and 112,256.21 is: 168,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,217.29 : 673,823.21 = 112,256.21 : x
  2. Step 2: Convert to fraction form
    449,217.29/673,823.21 = 112,256.21/x
  3. Step 3: Cross multiply
    449,217.29x = 673,823.21 × 112,256.21
  4. Step 4: Simplify right side
    449,217.29x = 75,640,840,887.91
  5. Step 5: Solve for x
    x = 75,640,840,887.91/449,217.29
  6. Step 6: Final answer
    x = 168,383.64

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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.