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Finding the Fourth Proportional to 340,696.36, 470,169.66 and 189,796.60

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Solution

The fourth proportional to 340,696.36, 470,169.66 and 189,796.60 is: 261,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,696.36 : 470,169.66 = 189,796.60 : x
  2. Step 2: Convert to fraction form
    340,696.36/470,169.66 = 189,796.60/x
  3. Step 3: Cross multiply
    340,696.36x = 470,169.66 × 189,796.60
  4. Step 4: Simplify right side
    340,696.36x = 89,236,602,891.16
  5. Step 5: Solve for x
    x = 89,236,602,891.16/340,696.36
  6. Step 6: Final answer
    x = 261,924.15

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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.