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Finding the Fourth Proportional to 606,713.70, 908,515.35 and 448,083.30

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Solution

The fourth proportional to 606,713.70, 908,515.35 and 448,083.30 is: 670,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,713.70 : 908,515.35 = 448,083.30 : x
  2. Step 2: Convert to fraction form
    606,713.70/908,515.35 = 448,083.30/x
  3. Step 3: Cross multiply
    606,713.70x = 908,515.35 × 448,083.30
  4. Step 4: Simplify right side
    606,713.70x = 407,090,556,128.66
  5. Step 5: Solve for x
    x = 407,090,556,128.66/606,713.70
  6. Step 6: Final answer
    x = 670,976.37

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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.