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Finding the Fourth Proportional to 567,074.40, 850,611.60 and 283,639.20

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Solution

The fourth proportional to 567,074.40, 850,611.60 and 283,639.20 is: 425,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,074.40 : 850,611.60 = 283,639.20 : x
  2. Step 2: Convert to fraction form
    567,074.40/850,611.60 = 283,639.20/x
  3. Step 3: Cross multiply
    567,074.40x = 850,611.60 × 283,639.20
  4. Step 4: Simplify right side
    567,074.40x = 241,266,793,734.72
  5. Step 5: Solve for x
    x = 241,266,793,734.72/567,074.40
  6. Step 6: Final answer
    x = 425,458.80

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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.