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Finding the Fourth Proportional to 350,339.87, 483,469.01 and 189,194.91

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Solution

The fourth proportional to 350,339.87, 483,469.01 and 189,194.91 is: 261,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,339.87 : 483,469.01 = 189,194.91 : x
  2. Step 2: Convert to fraction form
    350,339.87/483,469.01 = 189,194.91/x
  3. Step 3: Cross multiply
    350,339.87x = 483,469.01 × 189,194.91
  4. Step 4: Simplify right side
    350,339.87x = 91,469,875,834.74
  5. Step 5: Solve for x
    x = 91,469,875,834.74/350,339.87
  6. Step 6: Final answer
    x = 261,088.97

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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.