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Finding the Fourth Proportional to 340,741.66, 470,212.45 and 195,571.33

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Solution

The fourth proportional to 340,741.66, 470,212.45 and 195,571.33 is: 269,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,741.66 : 470,212.45 = 195,571.33 : x
  2. Step 2: Convert to fraction form
    340,741.66/470,212.45 = 195,571.33/x
  3. Step 3: Cross multiply
    340,741.66x = 470,212.45 × 195,571.33
  4. Step 4: Simplify right side
    340,741.66x = 91,960,074,229.06
  5. Step 5: Solve for x
    x = 91,960,074,229.06/340,741.66
  6. Step 6: Final answer
    x = 269,882.10

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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.