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Finding the Fourth Proportional to 300,618.40, 450,714.02 and 150,750.60

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Solution

The fourth proportional to 300,618.40, 450,714.02 and 150,750.60 is: 226,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,618.40 : 450,714.02 = 150,750.60 : x
  2. Step 2: Convert to fraction form
    300,618.40/450,714.02 = 150,750.60/x
  3. Step 3: Cross multiply
    300,618.40x = 450,714.02 × 150,750.60
  4. Step 4: Simplify right side
    300,618.40x = 67,945,408,943.41
  5. Step 5: Solve for x
    x = 67,945,408,943.41/300,618.40
  6. Step 6: Final answer
    x = 226,018.80

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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.