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Finding the Fourth Proportional to 551,460.60, 827,190.90 and 196,486.20

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Solution

The fourth proportional to 551,460.60, 827,190.90 and 196,486.20 is: 294,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,460.60 : 827,190.90 = 196,486.20 : x
  2. Step 2: Convert to fraction form
    551,460.60/827,190.90 = 196,486.20/x
  3. Step 3: Cross multiply
    551,460.60x = 827,190.90 × 196,486.20
  4. Step 4: Simplify right side
    551,460.60x = 162,531,596,615.58
  5. Step 5: Solve for x
    x = 162,531,596,615.58/551,460.60
  6. Step 6: Final answer
    x = 294,729.30

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Double scale
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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.