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Finding the Fourth Proportional to 331,068.60, 496,808.10 and 173,410.20

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Solution

The fourth proportional to 331,068.60, 496,808.10 and 173,410.20 is: 260,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,068.60 : 496,808.10 = 173,410.20 : x
  2. Step 2: Convert to fraction form
    331,068.60/496,808.10 = 173,410.20/x
  3. Step 3: Cross multiply
    331,068.60x = 496,808.10 × 173,410.20
  4. Step 4: Simplify right side
    331,068.60x = 86,151,591,982.62
  5. Step 5: Solve for x
    x = 86,151,591,982.62/331,068.60
  6. Step 6: Final answer
    x = 260,222.78

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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.