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Finding the Fourth Proportional to 552,604.60, 828,906.90 and 197,630.20

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Solution

The fourth proportional to 552,604.60, 828,906.90 and 197,630.20 is: 296,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,604.60 : 828,906.90 = 197,630.20 : x
  2. Step 2: Convert to fraction form
    552,604.60/828,906.90 = 197,630.20/x
  3. Step 3: Cross multiply
    552,604.60x = 828,906.90 × 197,630.20
  4. Step 4: Simplify right side
    552,604.60x = 163,817,036,428.38
  5. Step 5: Solve for x
    x = 163,817,036,428.38/552,604.60
  6. Step 6: Final answer
    x = 296,445.30

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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.