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Finding the Fourth Proportional to 340,662.35, 470,124.70 and 195,494.69

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Solution

The fourth proportional to 340,662.35, 470,124.70 and 195,494.69 is: 269,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,662.35 : 470,124.70 = 195,494.69 : x
  2. Step 2: Convert to fraction form
    340,662.35/470,124.70 = 195,494.69/x
  3. Step 3: Cross multiply
    340,662.35x = 470,124.70 × 195,494.69
  4. Step 4: Simplify right side
    340,662.35x = 91,906,882,487.84
  5. Step 5: Solve for x
    x = 91,906,882,487.84/340,662.35
  6. Step 6: Final answer
    x = 269,788.79

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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.