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Finding the Fourth Proportional to 370,414.08, 511,170.92 and 200,648.88

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Solution

The fourth proportional to 370,414.08, 511,170.92 and 200,648.88 is: 276,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,414.08 : 511,170.92 = 200,648.88 : x
  2. Step 2: Convert to fraction form
    370,414.08/511,170.92 = 200,648.88/x
  3. Step 3: Cross multiply
    370,414.08x = 511,170.92 × 200,648.88
  4. Step 4: Simplify right side
    370,414.08x = 102,565,872,586.57
  5. Step 5: Solve for x
    x = 102,565,872,586.57/370,414.08
  6. Step 6: Final answer
    x = 276,895.18

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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.