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Finding the Fourth Proportional to 380,192.36, 570,096.54 and 222,468.20

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Solution

The fourth proportional to 380,192.36, 570,096.54 and 222,468.20 is: 333,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,192.36 : 570,096.54 = 222,468.20 : x
  2. Step 2: Convert to fraction form
    380,192.36/570,096.54 = 222,468.20/x
  3. Step 3: Cross multiply
    380,192.36x = 570,096.54 × 222,468.20
  4. Step 4: Simplify right side
    380,192.36x = 126,828,351,080.03
  5. Step 5: Solve for x
    x = 126,828,351,080.03/380,192.36
  6. Step 6: Final answer
    x = 333,589.95

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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.