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Finding the Fourth Proportional to 383,843.88, 529,705.26 and 214,088.94

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Solution

The fourth proportional to 383,843.88, 529,705.26 and 214,088.94 is: 295,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,843.88 : 529,705.26 = 214,088.94 : x
  2. Step 2: Convert to fraction form
    383,843.88/529,705.26 = 214,088.94/x
  3. Step 3: Cross multiply
    383,843.88x = 529,705.26 × 214,088.94
  4. Step 4: Simplify right side
    383,843.88x = 113,404,037,625.82
  5. Step 5: Solve for x
    x = 113,404,037,625.82/383,843.88
  6. Step 6: Final answer
    x = 295,443.13

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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.