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Finding the Fourth Proportional to 404,366.80, 606,550.20 and 325,634.80

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Solution

The fourth proportional to 404,366.80, 606,550.20 and 325,634.80 is: 488,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,366.80 : 606,550.20 = 325,634.80 : x
  2. Step 2: Convert to fraction form
    404,366.80/606,550.20 = 325,634.80/x
  3. Step 3: Cross multiply
    404,366.80x = 606,550.20 × 325,634.80
  4. Step 4: Simplify right side
    404,366.80x = 197,513,853,066.96
  5. Step 5: Solve for x
    x = 197,513,853,066.96/404,366.80
  6. Step 6: Final answer
    x = 488,452.20

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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.