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Finding the Fourth Proportional to 395,971.81, 546,892.14 and 268,425.97

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Solution

The fourth proportional to 395,971.81, 546,892.14 and 268,425.97 is: 370,733.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,971.81 : 546,892.14 = 268,425.97 : x
  2. Step 2: Convert to fraction form
    395,971.81/546,892.14 = 268,425.97/x
  3. Step 3: Cross multiply
    395,971.81x = 546,892.14 × 268,425.97
  4. Step 4: Simplify right side
    395,971.81x = 146,800,051,294.35
  5. Step 5: Solve for x
    x = 146,800,051,294.35/395,971.81
  6. Step 6: Final answer
    x = 370,733.59

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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.