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Finding the Fourth Proportional to 194,600.80, 291,286.80 and 188,456.80

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Solution

The fourth proportional to 194,600.80, 291,286.80 and 188,456.80 is: 282,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,600.80 : 291,286.80 = 188,456.80 : x
  2. Step 2: Convert to fraction form
    194,600.80/291,286.80 = 188,456.80/x
  3. Step 3: Cross multiply
    194,600.80x = 291,286.80 × 188,456.80
  4. Step 4: Simplify right side
    194,600.80x = 54,894,978,210.24
  5. Step 5: Solve for x
    x = 54,894,978,210.24/194,600.80
  6. Step 6: Final answer
    x = 282,090.20

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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.