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Finding the Fourth Proportional to 377,819.43, 566,728.47 and 259,130.94

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Solution

The fourth proportional to 377,819.43, 566,728.47 and 259,130.94 is: 388,695.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,819.43 : 566,728.47 = 259,130.94 : x
  2. Step 2: Convert to fraction form
    377,819.43/566,728.47 = 259,130.94/x
  3. Step 3: Cross multiply
    377,819.43x = 566,728.47 × 259,130.94
  4. Step 4: Simplify right side
    377,819.43x = 146,856,881,155.86
  5. Step 5: Solve for x
    x = 146,856,881,155.86/377,819.43
  6. Step 6: Final answer
    x = 388,695.95

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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.