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Finding the Fourth Proportional to 331,104.60, 496,311.30 and 181,114.20

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Solution

The fourth proportional to 331,104.60, 496,311.30 and 181,114.20 is: 271,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,104.60 : 496,311.30 = 181,114.20 : x
  2. Step 2: Convert to fraction form
    331,104.60/496,311.30 = 181,114.20/x
  3. Step 3: Cross multiply
    331,104.60x = 496,311.30 × 181,114.20
  4. Step 4: Simplify right side
    331,104.60x = 89,889,024,050.46
  5. Step 5: Solve for x
    x = 89,889,024,050.46/331,104.60
  6. Step 6: Final answer
    x = 271,482.26

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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.