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Finding the Fourth Proportional to 449,040.96, 673,673.04 and 133,497.36

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Solution

The fourth proportional to 449,040.96, 673,673.04 and 133,497.36 is: 200,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,040.96 : 673,673.04 = 133,497.36 : x
  2. Step 2: Convert to fraction form
    449,040.96/673,673.04 = 133,497.36/x
  3. Step 3: Cross multiply
    449,040.96x = 673,673.04 × 133,497.36
  4. Step 4: Simplify right side
    449,040.96x = 89,933,572,343.17
  5. Step 5: Solve for x
    x = 89,933,572,343.17/449,040.96
  6. Step 6: Final answer
    x = 200,279.22

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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.