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Finding the Fourth Proportional to 329,028.80, 493,591.80 and 104,410.40

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Solution

The fourth proportional to 329,028.80, 493,591.80 and 104,410.40 is: 156,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,028.80 : 493,591.80 = 104,410.40 : x
  2. Step 2: Convert to fraction form
    329,028.80/493,591.80 = 104,410.40/x
  3. Step 3: Cross multiply
    329,028.80x = 493,591.80 × 104,410.40
  4. Step 4: Simplify right side
    329,028.80x = 51,536,117,274.72
  5. Step 5: Solve for x
    x = 51,536,117,274.72/329,028.80
  6. Step 6: Final answer
    x = 156,631.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.