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Finding the Fourth Proportional to 352,054.33, 485,834.79 and 190,908.88

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Solution

The fourth proportional to 352,054.33, 485,834.79 and 190,908.88 is: 263,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,054.33 : 485,834.79 = 190,908.88 : x
  2. Step 2: Convert to fraction form
    352,054.33/485,834.79 = 190,908.88/x
  3. Step 3: Cross multiply
    352,054.33x = 485,834.79 × 190,908.88
  4. Step 4: Simplify right side
    352,054.33x = 92,750,175,623.94
  5. Step 5: Solve for x
    x = 92,750,175,623.94/352,054.33
  6. Step 6: Final answer
    x = 263,454.15

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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.