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Finding the Fourth Proportional to 340,955.44, 470,522.19 and 187,993.92

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Solution

The fourth proportional to 340,955.44, 470,522.19 and 187,993.92 is: 259,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,955.44 : 470,522.19 = 187,993.92 : x
  2. Step 2: Convert to fraction form
    340,955.44/470,522.19 = 187,993.92/x
  3. Step 3: Cross multiply
    340,955.44x = 470,522.19 × 187,993.92
  4. Step 4: Simplify right side
    340,955.44x = 88,455,310,945.08
  5. Step 5: Solve for x
    x = 88,455,310,945.08/340,955.44
  6. Step 6: Final answer
    x = 259,433.64

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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.