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Finding the Fourth Proportional to 340,942.88, 470,507.36 and 190,023.68

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Solution

The fourth proportional to 340,942.88, 470,507.36 and 190,023.68 is: 262,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,942.88 : 470,507.36 = 190,023.68 : x
  2. Step 2: Convert to fraction form
    340,942.88/470,507.36 = 190,023.68/x
  3. Step 3: Cross multiply
    340,942.88x = 470,507.36 × 190,023.68
  4. Step 4: Simplify right side
    340,942.88x = 89,407,540,014.28
  5. Step 5: Solve for x
    x = 89,407,540,014.28/340,942.88
  6. Step 6: Final answer
    x = 262,236.13

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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.