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Finding the Fourth Proportional to 344,261.31, 516,193.31 and 133,653.21

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Solution

The fourth proportional to 344,261.31, 516,193.31 and 133,653.21 is: 200,402.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,261.31 : 516,193.31 = 133,653.21 : x
  2. Step 2: Convert to fraction form
    344,261.31/516,193.31 = 133,653.21/x
  3. Step 3: Cross multiply
    344,261.31x = 516,193.31 × 133,653.21
  4. Step 4: Simplify right side
    344,261.31x = 68,990,892,193.76
  5. Step 5: Solve for x
    x = 68,990,892,193.76/344,261.31
  6. Step 6: Final answer
    x = 200,402.69

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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.