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Finding the Fourth Proportional to 299,087.39, 412,507.24 and 191,667.42

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Solution

The fourth proportional to 299,087.39, 412,507.24 and 191,667.42 is: 264,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,087.39 : 412,507.24 = 191,667.42 : x
  2. Step 2: Convert to fraction form
    299,087.39/412,507.24 = 191,667.42/x
  3. Step 3: Cross multiply
    299,087.39x = 412,507.24 × 191,667.42
  4. Step 4: Simplify right side
    299,087.39x = 79,064,197,942.95
  5. Step 5: Solve for x
    x = 79,064,197,942.95/299,087.39
  6. Step 6: Final answer
    x = 264,351.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.