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Finding the Fourth Proportional to 222,410.20, 333,615.30 and 211,523.80

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Solution

The fourth proportional to 222,410.20, 333,615.30 and 211,523.80 is: 317,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,410.20 : 333,615.30 = 211,523.80 : x
  2. Step 2: Convert to fraction form
    222,410.20/333,615.30 = 211,523.80/x
  3. Step 3: Cross multiply
    222,410.20x = 333,615.30 × 211,523.80
  4. Step 4: Simplify right side
    222,410.20x = 70,567,575,994.14
  5. Step 5: Solve for x
    x = 70,567,575,994.14/222,410.20
  6. Step 6: Final answer
    x = 317,285.70

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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.