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Finding the Fourth Proportional to 491,425.44, 737,137.54 and 154,495.50

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Solution

The fourth proportional to 491,425.44, 737,137.54 and 154,495.50 is: 231,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,425.44 : 737,137.54 = 154,495.50 : x
  2. Step 2: Convert to fraction form
    491,425.44/737,137.54 = 154,495.50/x
  3. Step 3: Cross multiply
    491,425.44x = 737,137.54 × 154,495.50
  4. Step 4: Simplify right side
    491,425.44x = 113,884,432,811.07
  5. Step 5: Solve for x
    x = 113,884,432,811.07/491,425.44
  6. Step 6: Final answer
    x = 231,743.06

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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.