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Finding the Fourth Proportional to 340,958.25, 470,525.67 and 188,001.90

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Solution

The fourth proportional to 340,958.25, 470,525.67 and 188,001.90 is: 259,444.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,958.25 : 470,525.67 = 188,001.90 : x
  2. Step 2: Convert to fraction form
    340,958.25/470,525.67 = 188,001.90/x
  3. Step 3: Cross multiply
    340,958.25x = 470,525.67 × 188,001.90
  4. Step 4: Simplify right side
    340,958.25x = 88,459,719,958.77
  5. Step 5: Solve for x
    x = 88,459,719,958.77/340,958.25
  6. Step 6: Final answer
    x = 259,444.43

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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.