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Finding the Fourth Proportional to 340,752.58, 470,241.78 and 187,796.36

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Solution

The fourth proportional to 340,752.58, 470,241.78 and 187,796.36 is: 259,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,752.58 : 470,241.78 = 187,796.36 : x
  2. Step 2: Convert to fraction form
    340,752.58/470,241.78 = 187,796.36/x
  3. Step 3: Cross multiply
    340,752.58x = 470,241.78 × 187,796.36
  4. Step 4: Simplify right side
    340,752.58x = 88,309,694,603.92
  5. Step 5: Solve for x
    x = 88,309,694,603.92/340,752.58
  6. Step 6: Final answer
    x = 259,160.75

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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.