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Finding the Fourth Proportional to 449,148.51, 673,496.78 and 149,522.22

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Solution

The fourth proportional to 449,148.51, 673,496.78 and 149,522.22 is: 224,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,148.51 : 673,496.78 = 149,522.22 : x
  2. Step 2: Convert to fraction form
    449,148.51/673,496.78 = 149,522.22/x
  3. Step 3: Cross multiply
    449,148.51x = 673,496.78 × 149,522.22
  4. Step 4: Simplify right side
    449,148.51x = 100,702,732,960.84
  5. Step 5: Solve for x
    x = 100,702,732,960.84/449,148.51
  6. Step 6: Final answer
    x = 224,208.10

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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.