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Finding the Fourth Proportional to 374,958.58, 517,441.89 and 205,191.22

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Solution

The fourth proportional to 374,958.58, 517,441.89 and 205,191.22 is: 283,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,958.58 : 517,441.89 = 205,191.22 : x
  2. Step 2: Convert to fraction form
    374,958.58/517,441.89 = 205,191.22/x
  3. Step 3: Cross multiply
    374,958.58x = 517,441.89 × 205,191.22
  4. Step 4: Simplify right side
    374,958.58x = 106,174,532,688.21
  5. Step 5: Solve for x
    x = 106,174,532,688.21/374,958.58
  6. Step 6: Final answer
    x = 283,163.36

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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.