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Finding the Fourth Proportional to 329,872.80, 494,420.40 and 246,669.60

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Solution

The fourth proportional to 329,872.80, 494,420.40 and 246,669.60 is: 369,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,872.80 : 494,420.40 = 246,669.60 : x
  2. Step 2: Convert to fraction form
    329,872.80/494,420.40 = 246,669.60/x
  3. Step 3: Cross multiply
    329,872.80x = 494,420.40 × 246,669.60
  4. Step 4: Simplify right side
    329,872.80x = 121,958,482,299.84
  5. Step 5: Solve for x
    x = 121,958,482,299.84/329,872.80
  6. Step 6: Final answer
    x = 369,713.67

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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.