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Finding the Fourth Proportional to 437,086.62, 603,222.72 and 255,787.74

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Solution

The fourth proportional to 437,086.62, 603,222.72 and 255,787.74 is: 353,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,086.62 : 603,222.72 = 255,787.74 : x
  2. Step 2: Convert to fraction form
    437,086.62/603,222.72 = 255,787.74/x
  3. Step 3: Cross multiply
    437,086.62x = 603,222.72 × 255,787.74
  4. Step 4: Simplify right side
    437,086.62x = 154,296,976,025.65
  5. Step 5: Solve for x
    x = 154,296,976,025.65/437,086.62
  6. Step 6: Final answer
    x = 353,012.35

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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.