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Finding the Fourth Proportional to 329,801.40, 494,702.10 and 246,857.40

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Solution

The fourth proportional to 329,801.40, 494,702.10 and 246,857.40 is: 370,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,801.40 : 494,702.10 = 246,857.40 : x
  2. Step 2: Convert to fraction form
    329,801.40/494,702.10 = 246,857.40/x
  3. Step 3: Cross multiply
    329,801.40x = 494,702.10 × 246,857.40
  4. Step 4: Simplify right side
    329,801.40x = 122,120,874,180.54
  5. Step 5: Solve for x
    x = 122,120,874,180.54/329,801.40
  6. Step 6: Final answer
    x = 370,286.10

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Similar ratio
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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.