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Finding the Fourth Proportional to 567,611.40, 850,250.70 and 287,286.60

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Solution

The fourth proportional to 567,611.40, 850,250.70 and 287,286.60 is: 430,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,611.40 : 850,250.70 = 287,286.60 : x
  2. Step 2: Convert to fraction form
    567,611.40/850,250.70 = 287,286.60/x
  3. Step 3: Cross multiply
    567,611.40x = 850,250.70 × 287,286.60
  4. Step 4: Simplify right side
    567,611.40x = 244,265,632,750.62
  5. Step 5: Solve for x
    x = 244,265,632,750.62/567,611.40
  6. Step 6: Final answer
    x = 430,339.55

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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.