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Finding the Fourth Proportional to 329,396.34, 454,385.36 and 227,475.30

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Solution

The fourth proportional to 329,396.34, 454,385.36 and 227,475.30 is: 313,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,396.34 : 454,385.36 = 227,475.30 : x
  2. Step 2: Convert to fraction form
    329,396.34/454,385.36 = 227,475.30/x
  3. Step 3: Cross multiply
    329,396.34x = 454,385.36 × 227,475.30
  4. Step 4: Simplify right side
    329,396.34x = 103,361,448,354.24
  5. Step 5: Solve for x
    x = 103,361,448,354.24/329,396.34
  6. Step 6: Final answer
    x = 313,790.52

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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.