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Finding the Fourth Proportional to 331,336.60, 496,616.10 and 141,796.60

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Solution

The fourth proportional to 331,336.60, 496,616.10 and 141,796.60 is: 212,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,336.60 : 496,616.10 = 141,796.60 : x
  2. Step 2: Convert to fraction form
    331,336.60/496,616.10 = 141,796.60/x
  3. Step 3: Cross multiply
    331,336.60x = 496,616.10 × 141,796.60
  4. Step 4: Simplify right side
    331,336.60x = 70,418,474,485.26
  5. Step 5: Solve for x
    x = 70,418,474,485.26/331,336.60
  6. Step 6: Final answer
    x = 212,528.51

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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.