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Finding the Fourth Proportional to 351,141.35, 484,571.57 and 189,992.79

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Solution

The fourth proportional to 351,141.35, 484,571.57 and 189,992.79 is: 262,188.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,141.35 : 484,571.57 = 189,992.79 : x
  2. Step 2: Convert to fraction form
    351,141.35/484,571.57 = 189,992.79/x
  3. Step 3: Cross multiply
    351,141.35x = 484,571.57 × 189,992.79
  4. Step 4: Simplify right side
    351,141.35x = 92,065,103,589.02
  5. Step 5: Solve for x
    x = 92,065,103,589.02/351,141.35
  6. Step 6: Final answer
    x = 262,188.16

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1.5x scale

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.