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Finding the Fourth Proportional to 492,728.40, 739,092.60 and 160,304.40

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Solution

The fourth proportional to 492,728.40, 739,092.60 and 160,304.40 is: 240,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,728.40 : 739,092.60 = 160,304.40 : x
  2. Step 2: Convert to fraction form
    492,728.40/739,092.60 = 160,304.40/x
  3. Step 3: Cross multiply
    492,728.40x = 739,092.60 × 160,304.40
  4. Step 4: Simplify right side
    492,728.40x = 118,479,795,787.44
  5. Step 5: Solve for x
    x = 118,479,795,787.44/492,728.40
  6. Step 6: Final answer
    x = 240,456.60

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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.