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Finding the Fourth Proportional to 329,085.40, 493,628.10 and 222,797.20

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Solution

The fourth proportional to 329,085.40, 493,628.10 and 222,797.20 is: 334,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,085.40 : 493,628.10 = 222,797.20 : x
  2. Step 2: Convert to fraction form
    329,085.40/493,628.10 = 222,797.20/x
  3. Step 3: Cross multiply
    329,085.40x = 493,628.10 × 222,797.20
  4. Step 4: Simplify right side
    329,085.40x = 109,978,958,521.32
  5. Step 5: Solve for x
    x = 109,978,958,521.32/329,085.40
  6. Step 6: Final answer
    x = 334,195.80

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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.