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Finding the Fourth Proportional to 322,216.80, 483,325.20 and 298,597.20

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Solution

The fourth proportional to 322,216.80, 483,325.20 and 298,597.20 is: 447,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,216.80 : 483,325.20 = 298,597.20 : x
  2. Step 2: Convert to fraction form
    322,216.80/483,325.20 = 298,597.20/x
  3. Step 3: Cross multiply
    322,216.80x = 483,325.20 × 298,597.20
  4. Step 4: Simplify right side
    322,216.80x = 144,319,551,409.44
  5. Step 5: Solve for x
    x = 144,319,551,409.44/322,216.80
  6. Step 6: Final answer
    x = 447,895.80

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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.