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Finding the Fourth Proportional to 329,059.77, 493,586.01 and 104,420.04

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Solution

The fourth proportional to 329,059.77, 493,586.01 and 104,420.04 is: 156,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,059.77 : 493,586.01 = 104,420.04 : x
  2. Step 2: Convert to fraction form
    329,059.77/493,586.01 = 104,420.04/x
  3. Step 3: Cross multiply
    329,059.77x = 493,586.01 × 104,420.04
  4. Step 4: Simplify right side
    329,059.77x = 51,540,270,907.64
  5. Step 5: Solve for x
    x = 51,540,270,907.64/329,059.77
  6. Step 6: Final answer
    x = 156,628.90

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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.