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Finding the Fourth Proportional to 660,858.30, 991,288.23 and 181,090.14

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Solution

The fourth proportional to 660,858.30, 991,288.23 and 181,090.14 is: 271,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,858.30 : 991,288.23 = 181,090.14 : x
  2. Step 2: Convert to fraction form
    660,858.30/991,288.23 = 181,090.14/x
  3. Step 3: Cross multiply
    660,858.30x = 991,288.23 × 181,090.14
  4. Step 4: Simplify right side
    660,858.30x = 179,512,524,351.05
  5. Step 5: Solve for x
    x = 179,512,524,351.05/660,858.30
  6. Step 6: Final answer
    x = 271,635.42

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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.