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Finding the Fourth Proportional to 322,473.60, 483,364.80 and 122,716.80

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Solution

The fourth proportional to 322,473.60, 483,364.80 and 122,716.80 is: 183,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,473.60 : 483,364.80 = 122,716.80 : x
  2. Step 2: Convert to fraction form
    322,473.60/483,364.80 = 122,716.80/x
  3. Step 3: Cross multiply
    322,473.60x = 483,364.80 × 122,716.80
  4. Step 4: Simplify right side
    322,473.60x = 59,316,981,488.64
  5. Step 5: Solve for x
    x = 59,316,981,488.64/322,473.60
  6. Step 6: Final answer
    x = 183,943.68

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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.