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Finding the Fourth Proportional to 377,639.28, 566,458.92 and 258,950.52

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Solution

The fourth proportional to 377,639.28, 566,458.92 and 258,950.52 is: 388,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,639.28 : 566,458.92 = 258,950.52 : x
  2. Step 2: Convert to fraction form
    377,639.28/566,458.92 = 258,950.52/x
  3. Step 3: Cross multiply
    377,639.28x = 566,458.92 × 258,950.52
  4. Step 4: Simplify right side
    377,639.28x = 146,684,831,892.64
  5. Step 5: Solve for x
    x = 146,684,831,892.64/377,639.28
  6. Step 6: Final answer
    x = 388,425.78

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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.