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Finding the Fourth Proportional to 404,310.90, 606,965.55 and 254,550.90

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Solution

The fourth proportional to 404,310.90, 606,965.55 and 254,550.90 is: 382,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,310.90 : 606,965.55 = 254,550.90 : x
  2. Step 2: Convert to fraction form
    404,310.90/606,965.55 = 254,550.90/x
  3. Step 3: Cross multiply
    404,310.90x = 606,965.55 × 254,550.90
  4. Step 4: Simplify right side
    404,310.90x = 154,503,627,021.50
  5. Step 5: Solve for x
    x = 154,503,627,021.50/404,310.90
  6. Step 6: Final answer
    x = 382,140.64

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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.