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Finding the Fourth Proportional to 363,996.34, 546,072.27 and 127,346.74

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Solution

The fourth proportional to 363,996.34, 546,072.27 and 127,346.74 is: 191,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,996.34 : 546,072.27 = 127,346.74 : x
  2. Step 2: Convert to fraction form
    363,996.34/546,072.27 = 127,346.74/x
  3. Step 3: Cross multiply
    363,996.34x = 546,072.27 × 127,346.74
  4. Step 4: Simplify right side
    363,996.34x = 69,540,523,388.90
  5. Step 5: Solve for x
    x = 69,540,523,388.90/363,996.34
  6. Step 6: Final answer
    x = 191,047.31

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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.