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Finding the Fourth Proportional to 352,063.36, 485,847.55 and 190,918.36

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Solution

The fourth proportional to 352,063.36, 485,847.55 and 190,918.36 is: 263,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,063.36 : 485,847.55 = 190,918.36 : x
  2. Step 2: Convert to fraction form
    352,063.36/485,847.55 = 190,918.36/x
  3. Step 3: Cross multiply
    352,063.36x = 485,847.55 × 190,918.36
  4. Step 4: Simplify right side
    352,063.36x = 92,757,218,301.98
  5. Step 5: Solve for x
    x = 92,757,218,301.98/352,063.36
  6. Step 6: Final answer
    x = 263,467.40

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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.