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Finding the Fourth Proportional to 384,057.57, 529,830.67 and 366,269.97

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Solution

The fourth proportional to 384,057.57, 529,830.67 and 366,269.97 is: 505,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,057.57 : 529,830.67 = 366,269.97 : x
  2. Step 2: Convert to fraction form
    384,057.57/529,830.67 = 366,269.97/x
  3. Step 3: Cross multiply
    384,057.57x = 529,830.67 × 366,269.97
  4. Step 4: Simplify right side
    384,057.57x = 194,061,063,605.98
  5. Step 5: Solve for x
    x = 194,061,063,605.98/384,057.57
  6. Step 6: Final answer
    x = 505,291.60

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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.