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Finding the Fourth Proportional to 294,189.05, 405,520.31 and 192,163.46

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Solution

The fourth proportional to 294,189.05, 405,520.31 and 192,163.46 is: 264,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,189.05 : 405,520.31 = 192,163.46 : x
  2. Step 2: Convert to fraction form
    294,189.05/405,520.31 = 192,163.46/x
  3. Step 3: Cross multiply
    294,189.05x = 405,520.31 × 192,163.46
  4. Step 4: Simplify right side
    294,189.05x = 77,926,182,881.45
  5. Step 5: Solve for x
    x = 77,926,182,881.45/294,189.05
  6. Step 6: Final answer
    x = 264,884.72

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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.