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Finding the Fourth Proportional to 330,564.51, 456,177.42 and 179,661.51

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Solution

The fourth proportional to 330,564.51, 456,177.42 and 179,661.51 is: 247,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,564.51 : 456,177.42 = 179,661.51 : x
  2. Step 2: Convert to fraction form
    330,564.51/456,177.42 = 179,661.51/x
  3. Step 3: Cross multiply
    330,564.51x = 456,177.42 × 179,661.51
  4. Step 4: Simplify right side
    330,564.51x = 81,957,524,105.10
  5. Step 5: Solve for x
    x = 81,957,524,105.10/330,564.51
  6. Step 6: Final answer
    x = 247,932.01

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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.