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Finding the Fourth Proportional to 322,040.20, 483,060.30 and 203,326.60

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Solution

The fourth proportional to 322,040.20, 483,060.30 and 203,326.60 is: 304,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,040.20 : 483,060.30 = 203,326.60 : x
  2. Step 2: Convert to fraction form
    322,040.20/483,060.30 = 203,326.60/x
  3. Step 3: Cross multiply
    322,040.20x = 483,060.30 × 203,326.60
  4. Step 4: Simplify right side
    322,040.20x = 98,219,008,393.98
  5. Step 5: Solve for x
    x = 98,219,008,393.98/322,040.20
  6. Step 6: Final answer
    x = 304,989.90

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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.