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Finding the Fourth Proportional to 444,603.70, 666,905.55 and 309,301.30

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Solution

The fourth proportional to 444,603.70, 666,905.55 and 309,301.30 is: 463,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,603.70 : 666,905.55 = 309,301.30 : x
  2. Step 2: Convert to fraction form
    444,603.70/666,905.55 = 309,301.30/x
  3. Step 3: Cross multiply
    444,603.70x = 666,905.55 × 309,301.30
  4. Step 4: Simplify right side
    444,603.70x = 206,274,753,592.22
  5. Step 5: Solve for x
    x = 206,274,753,592.22/444,603.70
  6. Step 6: Final answer
    x = 463,951.95

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Similar ratio
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1.5x scale

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.