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Finding the Fourth Proportional to 606,467.80, 908,608.20 and 290,227.60

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Solution

The fourth proportional to 606,467.80, 908,608.20 and 290,227.60 is: 434,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,467.80 : 908,608.20 = 290,227.60 : x
  2. Step 2: Convert to fraction form
    606,467.80/908,608.20 = 290,227.60/x
  3. Step 3: Cross multiply
    606,467.80x = 908,608.20 × 290,227.60
  4. Step 4: Simplify right side
    606,467.80x = 263,703,177,226.32
  5. Step 5: Solve for x
    x = 263,703,177,226.32/606,467.80
  6. Step 6: Final answer
    x = 434,818.10

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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.