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Finding the Fourth Proportional to 632,706.60, 949,059.90 and 206,241.60

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Solution

The fourth proportional to 632,706.60, 949,059.90 and 206,241.60 is: 309,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,706.60 : 949,059.90 = 206,241.60 : x
  2. Step 2: Convert to fraction form
    632,706.60/949,059.90 = 206,241.60/x
  3. Step 3: Cross multiply
    632,706.60x = 949,059.90 × 206,241.60
  4. Step 4: Simplify right side
    632,706.60x = 195,735,632,271.84
  5. Step 5: Solve for x
    x = 195,735,632,271.84/632,706.60
  6. Step 6: Final answer
    x = 309,362.40

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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.