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Finding the Fourth Proportional to 329,015.41, 454,041.41 and 178,112.41

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Solution

The fourth proportional to 329,015.41, 454,041.41 and 178,112.41 is: 245,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,015.41 : 454,041.41 = 178,112.41 : x
  2. Step 2: Convert to fraction form
    329,015.41/454,041.41 = 178,112.41/x
  3. Step 3: Cross multiply
    329,015.41x = 454,041.41 × 178,112.41
  4. Step 4: Simplify right side
    329,015.41x = 80,870,409,774.90
  5. Step 5: Solve for x
    x = 80,870,409,774.90/329,015.41
  6. Step 6: Final answer
    x = 245,795.20

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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.