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Finding the Fourth Proportional to 322,965.60, 484,448.40 and 308,450.40

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Solution

The fourth proportional to 322,965.60, 484,448.40 and 308,450.40 is: 462,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,965.60 : 484,448.40 = 308,450.40 : x
  2. Step 2: Convert to fraction form
    322,965.60/484,448.40 = 308,450.40/x
  3. Step 3: Cross multiply
    322,965.60x = 484,448.40 × 308,450.40
  4. Step 4: Simplify right side
    322,965.60x = 149,428,302,759.36
  5. Step 5: Solve for x
    x = 149,428,302,759.36/322,965.60
  6. Step 6: Final answer
    x = 462,675.60

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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.