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Finding the Fourth Proportional to 329,852.06, 494,779.26 and 80,534.06

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Solution

The fourth proportional to 329,852.06, 494,779.26 and 80,534.06 is: 120,801.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,852.06 : 494,779.26 = 80,534.06 : x
  2. Step 2: Convert to fraction form
    329,852.06/494,779.26 = 80,534.06/x
  3. Step 3: Cross multiply
    329,852.06x = 494,779.26 × 80,534.06
  4. Step 4: Simplify right side
    329,852.06x = 39,846,582,611.60
  5. Step 5: Solve for x
    x = 39,846,582,611.60/329,852.06
  6. Step 6: Final answer
    x = 120,801.38

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1.5x scale

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.