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Finding the Fourth Proportional to 329,024.40, 494,119.80 and 254,326.20

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Solution

The fourth proportional to 329,024.40, 494,119.80 and 254,326.20 is: 381,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,024.40 : 494,119.80 = 254,326.20 : x
  2. Step 2: Convert to fraction form
    329,024.40/494,119.80 = 254,326.20/x
  3. Step 3: Cross multiply
    329,024.40x = 494,119.80 × 254,326.20
  4. Step 4: Simplify right side
    329,024.40x = 125,667,611,078.76
  5. Step 5: Solve for x
    x = 125,667,611,078.76/329,024.40
  6. Step 6: Final answer
    x = 381,940.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.