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Finding the Fourth Proportional to 329,028.40, 454,059.36 and 178,125.40

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Solution

The fourth proportional to 329,028.40, 454,059.36 and 178,125.40 is: 245,813.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,028.40 : 454,059.36 = 178,125.40 : x
  2. Step 2: Convert to fraction form
    329,028.40/454,059.36 = 178,125.40/x
  3. Step 3: Cross multiply
    329,028.40x = 454,059.36 × 178,125.40
  4. Step 4: Simplify right side
    329,028.40x = 80,879,505,123.74
  5. Step 5: Solve for x
    x = 80,879,505,123.74/329,028.40
  6. Step 6: Final answer
    x = 245,813.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.