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Finding the Fourth Proportional to 561,315.45, 842,604.15 and 224,593.65

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Solution

The fourth proportional to 561,315.45, 842,604.15 and 224,593.65 is: 337,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,315.45 : 842,604.15 = 224,593.65 : x
  2. Step 2: Convert to fraction form
    561,315.45/842,604.15 = 224,593.65/x
  3. Step 3: Cross multiply
    561,315.45x = 842,604.15 × 224,593.65
  4. Step 4: Simplify right side
    561,315.45x = 189,243,541,553.65
  5. Step 5: Solve for x
    x = 189,243,541,553.65/561,315.45
  6. Step 6: Final answer
    x = 337,142.94

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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.