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Finding the Fourth Proportional to 340,998.44, 470,560.74 and 190,066.28

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Solution

The fourth proportional to 340,998.44, 470,560.74 and 190,066.28 is: 262,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,998.44 : 470,560.74 = 190,066.28 : x
  2. Step 2: Convert to fraction form
    340,998.44/470,560.74 = 190,066.28/x
  3. Step 3: Cross multiply
    340,998.44x = 470,560.74 × 190,066.28
  4. Step 4: Simplify right side
    340,998.44x = 89,437,729,365.85
  5. Step 5: Solve for x
    x = 89,437,729,365.85/340,998.44
  6. Step 6: Final answer
    x = 262,281.93

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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.