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Finding the Fourth Proportional to 340,809.93, 470,338.25 and 187,847.91

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Solution

The fourth proportional to 340,809.93, 470,338.25 and 187,847.91 is: 259,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,809.93 : 470,338.25 = 187,847.91 : x
  2. Step 2: Convert to fraction form
    340,809.93/470,338.25 = 187,847.91/x
  3. Step 3: Cross multiply
    340,809.93x = 470,338.25 × 187,847.91
  4. Step 4: Simplify right side
    340,809.93x = 88,352,056,316.32
  5. Step 5: Solve for x
    x = 88,352,056,316.32/340,809.93
  6. Step 6: Final answer
    x = 259,241.44

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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.