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Finding the Fourth Proportional to 322,301.12, 483,378.56 and 122,550.40

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Solution

The fourth proportional to 322,301.12, 483,378.56 and 122,550.40 is: 183,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,301.12 : 483,378.56 = 122,550.40 : x
  2. Step 2: Convert to fraction form
    322,301.12/483,378.56 = 122,550.40/x
  3. Step 3: Cross multiply
    322,301.12x = 483,378.56 × 122,550.40
  4. Step 4: Simplify right side
    322,301.12x = 59,238,235,879.42
  5. Step 5: Solve for x
    x = 59,238,235,879.42/322,301.12
  6. Step 6: Final answer
    x = 183,797.80

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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.