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Finding the Fourth Proportional to 449,017.75, 673,637.60 and 133,473.34

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Solution

The fourth proportional to 449,017.75, 673,637.60 and 133,473.34 is: 200,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,017.75 : 673,637.60 = 133,473.34 : x
  2. Step 2: Convert to fraction form
    449,017.75/673,637.60 = 133,473.34/x
  3. Step 3: Cross multiply
    449,017.75x = 673,637.60 × 133,473.34
  4. Step 4: Simplify right side
    449,017.75x = 89,912,660,421.58
  5. Step 5: Solve for x
    x = 89,912,660,421.58/449,017.75
  6. Step 6: Final answer
    x = 200,243.00

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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.