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Finding the Fourth Proportional to 331,229.01, 496,851.68 and 120,866.88

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Solution

The fourth proportional to 331,229.01, 496,851.68 and 120,866.88 is: 181,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,229.01 : 496,851.68 = 120,866.88 : x
  2. Step 2: Convert to fraction form
    331,229.01/496,851.68 = 120,866.88/x
  3. Step 3: Cross multiply
    331,229.01x = 496,851.68 × 120,866.88
  4. Step 4: Simplify right side
    331,229.01x = 60,052,912,384.36
  5. Step 5: Solve for x
    x = 60,052,912,384.36/331,229.01
  6. Step 6: Final answer
    x = 181,303.30

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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.