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Finding the Fourth Proportional to 434,393.25, 599,107.13 and 305,757.51

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Solution

The fourth proportional to 434,393.25, 599,107.13 and 305,757.51 is: 421,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,393.25 : 599,107.13 = 305,757.51 : x
  2. Step 2: Convert to fraction form
    434,393.25/599,107.13 = 305,757.51/x
  3. Step 3: Cross multiply
    434,393.25x = 599,107.13 × 305,757.51
  4. Step 4: Simplify right side
    434,393.25x = 183,181,504,292.05
  5. Step 5: Solve for x
    x = 183,181,504,292.05/434,393.25
  6. Step 6: Final answer
    x = 421,695.10

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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.