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Finding the Fourth Proportional to 546,819.60, 820,229.40 and 325,635.60

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Solution

The fourth proportional to 546,819.60, 820,229.40 and 325,635.60 is: 488,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,819.60 : 820,229.40 = 325,635.60 : x
  2. Step 2: Convert to fraction form
    546,819.60/820,229.40 = 325,635.60/x
  3. Step 3: Cross multiply
    546,819.60x = 820,229.40 × 325,635.60
  4. Step 4: Simplify right side
    546,819.60x = 267,095,892,806.64
  5. Step 5: Solve for x
    x = 267,095,892,806.64/546,819.60
  6. Step 6: Final answer
    x = 488,453.40

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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.