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Finding the Fourth Proportional to 379,898.10, 569,847.15 and 377,273.70

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Solution

The fourth proportional to 379,898.10, 569,847.15 and 377,273.70 is: 565,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,898.10 : 569,847.15 = 377,273.70 : x
  2. Step 2: Convert to fraction form
    379,898.10/569,847.15 = 377,273.70/x
  3. Step 3: Cross multiply
    379,898.10x = 569,847.15 × 377,273.70
  4. Step 4: Simplify right side
    379,898.10x = 214,988,342,714.96
  5. Step 5: Solve for x
    x = 214,988,342,714.96/379,898.10
  6. Step 6: Final answer
    x = 565,910.55

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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.