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Finding the Fourth Proportional to 329,924.81, 455,296.55 and 179,021.81

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Solution

The fourth proportional to 329,924.81, 455,296.55 and 179,021.81 is: 247,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,924.81 : 455,296.55 = 179,021.81 : x
  2. Step 2: Convert to fraction form
    329,924.81/455,296.55 = 179,021.81/x
  3. Step 3: Cross multiply
    329,924.81x = 455,296.55 × 179,021.81
  4. Step 4: Simplify right side
    329,924.81x = 81,508,012,710.89
  5. Step 5: Solve for x
    x = 81,508,012,710.89/329,924.81
  6. Step 6: Final answer
    x = 247,050.27

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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.