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Finding the Fourth Proportional to 366,965.80, 550,448.70 and 330,224.20

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Solution

The fourth proportional to 366,965.80, 550,448.70 and 330,224.20 is: 495,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,965.80 : 550,448.70 = 330,224.20 : x
  2. Step 2: Convert to fraction form
    366,965.80/550,448.70 = 330,224.20/x
  3. Step 3: Cross multiply
    366,965.80x = 550,448.70 × 330,224.20
  4. Step 4: Simplify right side
    366,965.80x = 181,771,481,598.54
  5. Step 5: Solve for x
    x = 181,771,481,598.54/366,965.80
  6. Step 6: Final answer
    x = 495,336.30

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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.