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Finding the Fourth Proportional to 449,016.75, 673,636.10 and 133,472.34

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Solution

The fourth proportional to 449,016.75, 673,636.10 and 133,472.34 is: 200,241.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,016.75 : 673,636.10 = 133,472.34 : x
  2. Step 2: Convert to fraction form
    449,016.75/673,636.10 = 133,472.34/x
  3. Step 3: Cross multiply
    449,016.75x = 673,636.10 × 133,472.34
  4. Step 4: Simplify right side
    449,016.75x = 89,911,785,908.11
  5. Step 5: Solve for x
    x = 89,911,785,908.11/449,016.75
  6. Step 6: Final answer
    x = 200,241.50

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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.