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Finding the Fourth Proportional to 606,020.20, 908,252.70 and 465,080.20

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Solution

The fourth proportional to 606,020.20, 908,252.70 and 465,080.20 is: 697,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,020.20 : 908,252.70 = 465,080.20 : x
  2. Step 2: Convert to fraction form
    606,020.20/908,252.70 = 465,080.20/x
  3. Step 3: Cross multiply
    606,020.20x = 908,252.70 × 465,080.20
  4. Step 4: Simplify right side
    606,020.20x = 422,410,347,366.54
  5. Step 5: Solve for x
    x = 422,410,347,366.54/606,020.20
  6. Step 6: Final answer
    x = 697,023.54

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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.