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Finding the Fourth Proportional to 547,773.20, 821,659.80 and 173,795.60

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Solution

The fourth proportional to 547,773.20, 821,659.80 and 173,795.60 is: 260,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,773.20 : 821,659.80 = 173,795.60 : x
  2. Step 2: Convert to fraction form
    547,773.20/821,659.80 = 173,795.60/x
  3. Step 3: Cross multiply
    547,773.20x = 821,659.80 × 173,795.60
  4. Step 4: Simplify right side
    547,773.20x = 142,800,857,936.88
  5. Step 5: Solve for x
    x = 142,800,857,936.88/547,773.20
  6. Step 6: Final answer
    x = 260,693.40

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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.