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Finding the Fourth Proportional to 384,053.82, 529,825.50 and 366,266.22

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Solution

The fourth proportional to 384,053.82, 529,825.50 and 366,266.22 is: 505,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,053.82 : 529,825.50 = 366,266.22 : x
  2. Step 2: Convert to fraction form
    384,053.82/529,825.50 = 366,266.22/x
  3. Step 3: Cross multiply
    384,053.82x = 529,825.50 × 366,266.22
  4. Step 4: Simplify right side
    384,053.82x = 194,057,183,144.61
  5. Step 5: Solve for x
    x = 194,057,183,144.61/384,053.82
  6. Step 6: Final answer
    x = 505,286.43

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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.