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Finding the Fourth Proportional to 343,704.29, 515,433.40 and 119,004.41

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Solution

The fourth proportional to 343,704.29, 515,433.40 and 119,004.41 is: 178,464.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,704.29 : 515,433.40 = 119,004.41 : x
  2. Step 2: Convert to fraction form
    343,704.29/515,433.40 = 119,004.41/x
  3. Step 3: Cross multiply
    343,704.29x = 515,433.40 × 119,004.41
  4. Step 4: Simplify right side
    343,704.29x = 61,338,848,652.37
  5. Step 5: Solve for x
    x = 61,338,848,652.37/343,704.29
  6. Step 6: Final answer
    x = 178,464.02

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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.