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Finding the Fourth Proportional to 344,294.90, 516,442.71 and 107,638.82

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Solution

The fourth proportional to 344,294.90, 516,442.71 and 107,638.82 is: 161,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,294.90 : 516,442.71 = 107,638.82 : x
  2. Step 2: Convert to fraction form
    344,294.90/516,442.71 = 107,638.82/x
  3. Step 3: Cross multiply
    344,294.90x = 516,442.71 × 107,638.82
  4. Step 4: Simplify right side
    344,294.90x = 55,589,283,902.00
  5. Step 5: Solve for x
    x = 55,589,283,902.00/344,294.90
  6. Step 6: Final answer
    x = 161,458.34

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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.