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Finding the Fourth Proportional to 440,879.48, 608,469.97 and 259,608.28

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Solution

The fourth proportional to 440,879.48, 608,469.97 and 259,608.28 is: 358,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,879.48 : 608,469.97 = 259,608.28 : x
  2. Step 2: Convert to fraction form
    440,879.48/608,469.97 = 259,608.28/x
  3. Step 3: Cross multiply
    440,879.48x = 608,469.97 × 259,608.28
  4. Step 4: Simplify right side
    440,879.48x = 157,963,839,524.14
  5. Step 5: Solve for x
    x = 157,963,839,524.14/440,879.48
  6. Step 6: Final answer
    x = 358,292.56

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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.