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Finding the Fourth Proportional to 237,707.62, 327,847.54 and 202,015.78

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Solution

The fourth proportional to 237,707.62, 327,847.54 and 202,015.78 is: 278,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,707.62 : 327,847.54 = 202,015.78 : x
  2. Step 2: Convert to fraction form
    237,707.62/327,847.54 = 202,015.78/x
  3. Step 3: Cross multiply
    237,707.62x = 327,847.54 × 202,015.78
  4. Step 4: Simplify right side
    237,707.62x = 66,230,376,514.18
  5. Step 5: Solve for x
    x = 66,230,376,514.18/237,707.62
  6. Step 6: Final answer
    x = 278,621.18

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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.