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Finding the Fourth Proportional to 370,609.77, 511,441.92 and 200,843.90

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Solution

The fourth proportional to 370,609.77, 511,441.92 and 200,843.90 is: 277,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,609.77 : 511,441.92 = 200,843.90 : x
  2. Step 2: Convert to fraction form
    370,609.77/511,441.92 = 200,843.90/x
  3. Step 3: Cross multiply
    370,609.77x = 511,441.92 × 200,843.90
  4. Step 4: Simplify right side
    370,609.77x = 102,719,987,279.08
  5. Step 5: Solve for x
    x = 102,719,987,279.08/370,609.77
  6. Step 6: Final answer
    x = 277,164.81

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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.