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Finding the Fourth Proportional to 377,745.20, 566,617.79 and 259,056.71

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Solution

The fourth proportional to 377,745.20, 566,617.79 and 259,056.71 is: 388,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,745.20 : 566,617.79 = 259,056.71 : x
  2. Step 2: Convert to fraction form
    377,745.20/566,617.79 = 259,056.71/x
  3. Step 3: Cross multiply
    377,745.20x = 566,617.79 × 259,056.71
  4. Step 4: Simplify right side
    377,745.20x = 146,786,139,214.93
  5. Step 5: Solve for x
    x = 146,786,139,214.93/377,745.20
  6. Step 6: Final answer
    x = 388,585.06

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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.