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Finding the Fourth Proportional to 439,549.07, 606,634.79 and 248,600.34

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Solution

The fourth proportional to 439,549.07, 606,634.79 and 248,600.34 is: 343,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,549.07 : 606,634.79 = 248,600.34 : x
  2. Step 2: Convert to fraction form
    439,549.07/606,634.79 = 248,600.34/x
  3. Step 3: Cross multiply
    439,549.07x = 606,634.79 × 248,600.34
  4. Step 4: Simplify right side
    439,549.07x = 150,809,613,806.83
  5. Step 5: Solve for x
    x = 150,809,613,806.83/439,549.07
  6. Step 6: Final answer
    x = 343,100.75

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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.