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Finding the Fourth Proportional to 329,974, 455,364.42 and 179,071

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Solution

The fourth proportional to 329,974, 455,364.42 and 179,071 is: 247,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,974 : 455,364.42 = 179,071 : x
  2. Step 2: Convert to fraction form
    329,974/455,364.42 = 179,071/x
  3. Step 3: Cross multiply
    329,974x = 455,364.42 × 179,071
  4. Step 4: Simplify right side
    329,974x = 81,542,562,053.82
  5. Step 5: Solve for x
    x = 81,542,562,053.82/329,974
  6. Step 6: Final answer
    x = 247,118.14

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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.