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Finding the Fourth Proportional to 444,115.30, 665,188.80 and 365,383.30

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Solution

The fourth proportional to 444,115.30, 665,188.80 and 365,383.30 is: 547,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,115.30 : 665,188.80 = 365,383.30 : x
  2. Step 2: Convert to fraction form
    444,115.30/665,188.80 = 365,383.30/x
  3. Step 3: Cross multiply
    444,115.30x = 665,188.80 × 365,383.30
  4. Step 4: Simplify right side
    444,115.30x = 243,048,878,867.04
  5. Step 5: Solve for x
    x = 243,048,878,867.04/444,115.30
  6. Step 6: Final answer
    x = 547,265.27

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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.