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Finding the Fourth Proportional to 326,883.78, 451,075.37 and 183,667.68

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Solution

The fourth proportional to 326,883.78, 451,075.37 and 183,667.68 is: 253,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,883.78 : 451,075.37 = 183,667.68 : x
  2. Step 2: Convert to fraction form
    326,883.78/451,075.37 = 183,667.68/x
  3. Step 3: Cross multiply
    326,883.78x = 451,075.37 × 183,667.68
  4. Step 4: Simplify right side
    326,883.78x = 82,847,965,794.70
  5. Step 5: Solve for x
    x = 82,847,965,794.70/326,883.78
  6. Step 6: Final answer
    x = 253,447.77

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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.