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Finding the Fourth Proportional to 300,466.44, 450,302.76 and 131,732.64

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Solution

The fourth proportional to 300,466.44, 450,302.76 and 131,732.64 is: 197,424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,466.44 : 450,302.76 = 131,732.64 : x
  2. Step 2: Convert to fraction form
    300,466.44/450,302.76 = 131,732.64/x
  3. Step 3: Cross multiply
    300,466.44x = 450,302.76 × 131,732.64
  4. Step 4: Simplify right side
    300,466.44x = 59,319,571,374.09
  5. Step 5: Solve for x
    x = 59,319,571,374.09/300,466.44
  6. Step 6: Final answer
    x = 197,424.95

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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.