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Finding the Fourth Proportional to 330,216.30, 494,996.40 and 161,598.60

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Solution

The fourth proportional to 330,216.30, 494,996.40 and 161,598.60 is: 242,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,216.30 : 494,996.40 = 161,598.60 : x
  2. Step 2: Convert to fraction form
    330,216.30/494,996.40 = 161,598.60/x
  3. Step 3: Cross multiply
    330,216.30x = 494,996.40 × 161,598.60
  4. Step 4: Simplify right side
    330,216.30x = 79,990,725,245.04
  5. Step 5: Solve for x
    x = 79,990,725,245.04/330,216.30
  6. Step 6: Final answer
    x = 242,237.36

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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.