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Finding the Fourth Proportional to 300,495.40, 450,088.08 and 150,474.04

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Solution

The fourth proportional to 300,495.40, 450,088.08 and 150,474.04 is: 225,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,495.40 : 450,088.08 = 150,474.04 : x
  2. Step 2: Convert to fraction form
    300,495.40/450,088.08 = 150,474.04/x
  3. Step 3: Cross multiply
    300,495.40x = 450,088.08 × 150,474.04
  4. Step 4: Simplify right side
    300,495.40x = 67,726,571,753.44
  5. Step 5: Solve for x
    x = 67,726,571,753.44/300,495.40
  6. Step 6: Final answer
    x = 225,383.06

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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.