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Finding the Fourth Proportional to 383,694.66, 529,330.50 and 365,907.06

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Solution

The fourth proportional to 383,694.66, 529,330.50 and 365,907.06 is: 504,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,694.66 : 529,330.50 = 365,907.06 : x
  2. Step 2: Convert to fraction form
    383,694.66/529,330.50 = 365,907.06/x
  3. Step 3: Cross multiply
    383,694.66x = 529,330.50 × 365,907.06
  4. Step 4: Simplify right side
    383,694.66x = 193,685,767,023.33
  5. Step 5: Solve for x
    x = 193,685,767,023.33/383,694.66
  6. Step 6: Final answer
    x = 504,791.41

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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.