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Finding the Fourth Proportional to 449,337.42, 673,932.87 and 149,820.48

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Solution

The fourth proportional to 449,337.42, 673,932.87 and 149,820.48 is: 224,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,337.42 : 673,932.87 = 149,820.48 : x
  2. Step 2: Convert to fraction form
    449,337.42/673,932.87 = 149,820.48/x
  3. Step 3: Cross multiply
    449,337.42x = 673,932.87 × 149,820.48
  4. Step 4: Simplify right side
    449,337.42x = 100,968,946,071.18
  5. Step 5: Solve for x
    x = 100,968,946,071.18/449,337.42
  6. Step 6: Final answer
    x = 224,706.29

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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.