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Finding the Fourth Proportional to 296,620.71, 409,334.52 and 160,651.56

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Solution

The fourth proportional to 296,620.71, 409,334.52 and 160,651.56 is: 221,698.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,620.71 : 409,334.52 = 160,651.56 : x
  2. Step 2: Convert to fraction form
    296,620.71/409,334.52 = 160,651.56/x
  3. Step 3: Cross multiply
    296,620.71x = 409,334.52 × 160,651.56
  4. Step 4: Simplify right side
    296,620.71x = 65,760,229,199.85
  5. Step 5: Solve for x
    x = 65,760,229,199.85/296,620.71
  6. Step 6: Final answer
    x = 221,698.04

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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.