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Finding the Fourth Proportional to 334,508.38, 461,562.01 and 189,313.48

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Solution

The fourth proportional to 334,508.38, 461,562.01 and 189,313.48 is: 261,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,508.38 : 461,562.01 = 189,313.48 : x
  2. Step 2: Convert to fraction form
    334,508.38/461,562.01 = 189,313.48/x
  3. Step 3: Cross multiply
    334,508.38x = 461,562.01 × 189,313.48
  4. Step 4: Simplify right side
    334,508.38x = 87,379,907,094.52
  5. Step 5: Solve for x
    x = 87,379,907,094.52/334,508.38
  6. Step 6: Final answer
    x = 261,218.89

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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.