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Finding the Fourth Proportional to 634,163.10, 875,143.62 and 347,709.84

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Solution

The fourth proportional to 634,163.10, 875,143.62 and 347,709.84 is: 479,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,163.10 : 875,143.62 = 347,709.84 : x
  2. Step 2: Convert to fraction form
    634,163.10/875,143.62 = 347,709.84/x
  3. Step 3: Cross multiply
    634,163.10x = 875,143.62 × 347,709.84
  4. Step 4: Simplify right side
    634,163.10x = 304,296,048,087.22
  5. Step 5: Solve for x
    x = 304,296,048,087.22/634,163.10
  6. Step 6: Final answer
    x = 479,838.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.