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Finding the Fourth Proportional to 449,065.29, 673,705.56 and 149,548.47

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Solution

The fourth proportional to 449,065.29, 673,705.56 and 149,548.47 is: 224,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,065.29 : 673,705.56 = 149,548.47 : x
  2. Step 2: Convert to fraction form
    449,065.29/673,705.56 = 149,548.47/x
  3. Step 3: Cross multiply
    449,065.29x = 673,705.56 × 149,548.47
  4. Step 4: Simplify right side
    449,065.29x = 100,751,635,728.49
  5. Step 5: Solve for x
    x = 100,751,635,728.49/449,065.29
  6. Step 6: Final answer
    x = 224,358.55

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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.