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Finding the Fourth Proportional to 341,205.51, 470,847.17 and 186,147.57

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Solution

The fourth proportional to 341,205.51, 470,847.17 and 186,147.57 is: 256,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,205.51 : 470,847.17 = 186,147.57 : x
  2. Step 2: Convert to fraction form
    341,205.51/470,847.17 = 186,147.57/x
  3. Step 3: Cross multiply
    341,205.51x = 470,847.17 × 186,147.57
  4. Step 4: Simplify right side
    341,205.51x = 87,647,055,072.33
  5. Step 5: Solve for x
    x = 87,647,055,072.33/341,205.51
  6. Step 6: Final answer
    x = 256,874.68

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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.