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Finding the Fourth Proportional to 329,440.67, 454,628.04 and 178,537.67

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Solution

The fourth proportional to 329,440.67, 454,628.04 and 178,537.67 is: 246,381.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,440.67 : 454,628.04 = 178,537.67 : x
  2. Step 2: Convert to fraction form
    329,440.67/454,628.04 = 178,537.67/x
  3. Step 3: Cross multiply
    329,440.67x = 454,628.04 × 178,537.67
  4. Step 4: Simplify right side
    329,440.67x = 81,168,230,978.27
  5. Step 5: Solve for x
    x = 81,168,230,978.27/329,440.67
  6. Step 6: Final answer
    x = 246,381.94

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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.