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Finding the Fourth Proportional to 344,401.01, 475,311.85 and 208,509.85

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Solution

The fourth proportional to 344,401.01, 475,311.85 and 208,509.85 is: 287,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,401.01 : 475,311.85 = 208,509.85 : x
  2. Step 2: Convert to fraction form
    344,401.01/475,311.85 = 208,509.85/x
  3. Step 3: Cross multiply
    344,401.01x = 475,311.85 × 208,509.85
  4. Step 4: Simplify right side
    344,401.01x = 99,107,199,945.96
  5. Step 5: Solve for x
    x = 99,107,199,945.96/344,401.01
  6. Step 6: Final answer
    x = 287,766.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.