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Finding the Fourth Proportional to 377,816.40, 567,380.70 and 200,669.40

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Solution

The fourth proportional to 377,816.40, 567,380.70 and 200,669.40 is: 301,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,816.40 : 567,380.70 = 200,669.40 : x
  2. Step 2: Convert to fraction form
    377,816.40/567,380.70 = 200,669.40/x
  3. Step 3: Cross multiply
    377,816.40x = 567,380.70 × 200,669.40
  4. Step 4: Simplify right side
    377,816.40x = 113,855,944,640.58
  5. Step 5: Solve for x
    x = 113,855,944,640.58/377,816.40
  6. Step 6: Final answer
    x = 301,352.57

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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.