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Finding the Fourth Proportional to 328,967.89, 453,786.19 and 198,054.41

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Solution

The fourth proportional to 328,967.89, 453,786.19 and 198,054.41 is: 273,201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,967.89 : 453,786.19 = 198,054.41 : x
  2. Step 2: Convert to fraction form
    328,967.89/453,786.19 = 198,054.41/x
  3. Step 3: Cross multiply
    328,967.89x = 453,786.19 × 198,054.41
  4. Step 4: Simplify right side
    328,967.89x = 89,874,356,126.60
  5. Step 5: Solve for x
    x = 89,874,356,126.60/328,967.89
  6. Step 6: Final answer
    x = 273,201.00

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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.