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Finding the Fourth Proportional to 202,370.90, 303,556.35 and 188,546.90

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Solution

The fourth proportional to 202,370.90, 303,556.35 and 188,546.90 is: 282,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,370.90 : 303,556.35 = 188,546.90 : x
  2. Step 2: Convert to fraction form
    202,370.90/303,556.35 = 188,546.90/x
  3. Step 3: Cross multiply
    202,370.90x = 303,556.35 × 188,546.90
  4. Step 4: Simplify right side
    202,370.90x = 57,234,608,767.82
  5. Step 5: Solve for x
    x = 57,234,608,767.82/202,370.90
  6. Step 6: Final answer
    x = 282,820.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.