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Finding the Fourth Proportional to 326,625.57, 450,731.64 and 183,391.65

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Solution

The fourth proportional to 326,625.57, 450,731.64 and 183,391.65 is: 253,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,625.57 : 450,731.64 = 183,391.65 : x
  2. Step 2: Convert to fraction form
    326,625.57/450,731.64 = 183,391.65/x
  3. Step 3: Cross multiply
    326,625.57x = 450,731.64 × 183,391.65
  4. Step 4: Simplify right side
    326,625.57x = 82,660,419,166.81
  5. Step 5: Solve for x
    x = 82,660,419,166.81/326,625.57
  6. Step 6: Final answer
    x = 253,073.94

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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.