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Finding the Fourth Proportional to 329,856.67, 455,203.08 and 178,953.67

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Solution

The fourth proportional to 329,856.67, 455,203.08 and 178,953.67 is: 246,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,856.67 : 455,203.08 = 178,953.67 : x
  2. Step 2: Convert to fraction form
    329,856.67/455,203.08 = 178,953.67/x
  3. Step 3: Cross multiply
    329,856.67x = 455,203.08 × 178,953.67
  4. Step 4: Simplify right side
    329,856.67x = 81,460,261,761.30
  5. Step 5: Solve for x
    x = 81,460,261,761.30/329,856.67
  6. Step 6: Final answer
    x = 246,956.54

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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.