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Finding the Fourth Proportional to 444,656.70, 667,071.45 and 191,936.70

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Solution

The fourth proportional to 444,656.70, 667,071.45 and 191,936.70 is: 287,942.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,656.70 : 667,071.45 = 191,936.70 : x
  2. Step 2: Convert to fraction form
    444,656.70/667,071.45 = 191,936.70/x
  3. Step 3: Cross multiply
    444,656.70x = 667,071.45 × 191,936.70
  4. Step 4: Simplify right side
    444,656.70x = 128,035,492,777.22
  5. Step 5: Solve for x
    x = 128,035,492,777.22/444,656.70
  6. Step 6: Final answer
    x = 287,942.34

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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.