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Finding the Fourth Proportional to 605,584.20, 908,376.30 and 416,627.40

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Solution

The fourth proportional to 605,584.20, 908,376.30 and 416,627.40 is: 624,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,584.20 : 908,376.30 = 416,627.40 : x
  2. Step 2: Convert to fraction form
    605,584.20/908,376.30 = 416,627.40/x
  3. Step 3: Cross multiply
    605,584.20x = 908,376.30 × 416,627.40
  4. Step 4: Simplify right side
    605,584.20x = 378,454,456,090.62
  5. Step 5: Solve for x
    x = 378,454,456,090.62/605,584.20
  6. Step 6: Final answer
    x = 624,941.10

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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.