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Finding the Fourth Proportional to 444,313.20, 665,886.60 and 177,855.60

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Solution

The fourth proportional to 444,313.20, 665,886.60 and 177,855.60 is: 266,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,313.20 : 665,886.60 = 177,855.60 : x
  2. Step 2: Convert to fraction form
    444,313.20/665,886.60 = 177,855.60/x
  3. Step 3: Cross multiply
    444,313.20x = 665,886.60 × 177,855.60
  4. Step 4: Simplify right side
    444,313.20x = 118,431,660,774.96
  5. Step 5: Solve for x
    x = 118,431,660,774.96/444,313.20
  6. Step 6: Final answer
    x = 266,549.95

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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.