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Finding the Fourth Proportional to 329,211.60, 493,817.40 and 179,912.40

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Solution

The fourth proportional to 329,211.60, 493,817.40 and 179,912.40 is: 269,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,211.60 : 493,817.40 = 179,912.40 : x
  2. Step 2: Convert to fraction form
    329,211.60/493,817.40 = 179,912.40/x
  3. Step 3: Cross multiply
    329,211.60x = 493,817.40 × 179,912.40
  4. Step 4: Simplify right side
    329,211.60x = 88,843,873,595.76
  5. Step 5: Solve for x
    x = 88,843,873,595.76/329,211.60
  6. Step 6: Final answer
    x = 269,868.60

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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.