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Finding the Fourth Proportional to 606,912.75, 837,539.60 and 338,640.75

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Solution

The fourth proportional to 606,912.75, 837,539.60 and 338,640.75 is: 467,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,912.75 : 837,539.60 = 338,640.75 : x
  2. Step 2: Convert to fraction form
    606,912.75/837,539.60 = 338,640.75/x
  3. Step 3: Cross multiply
    606,912.75x = 837,539.60 × 338,640.75
  4. Step 4: Simplify right side
    606,912.75x = 283,625,036,605.50
  5. Step 5: Solve for x
    x = 283,625,036,605.50/606,912.75
  6. Step 6: Final answer
    x = 467,324.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.