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Finding the Fourth Proportional to 299,087.58, 412,507.47 and 191,667.61

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Solution

The fourth proportional to 299,087.58, 412,507.47 and 191,667.61 is: 264,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,087.58 : 412,507.47 = 191,667.61 : x
  2. Step 2: Convert to fraction form
    299,087.58/412,507.47 = 191,667.61/x
  3. Step 3: Cross multiply
    299,087.58x = 412,507.47 × 191,667.61
  4. Step 4: Simplify right side
    299,087.58x = 79,064,320,882.05
  5. Step 5: Solve for x
    x = 79,064,320,882.05/299,087.58
  6. Step 6: Final answer
    x = 264,351.74

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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.