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Finding the Fourth Proportional to 347,646.05, 521,806.14 and 167,858.33

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Solution

The fourth proportional to 347,646.05, 521,806.14 and 167,858.33 is: 251,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,646.05 : 521,806.14 = 167,858.33 : x
  2. Step 2: Convert to fraction form
    347,646.05/521,806.14 = 167,858.33/x
  3. Step 3: Cross multiply
    347,646.05x = 521,806.14 × 167,858.33
  4. Step 4: Simplify right side
    347,646.05x = 87,589,504,635.12
  5. Step 5: Solve for x
    x = 87,589,504,635.12/347,646.05
  6. Step 6: Final answer
    x = 251,950.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.