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Finding the Fourth Proportional to 552,654.80, 828,982.20 and 197,680.40

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Solution

The fourth proportional to 552,654.80, 828,982.20 and 197,680.40 is: 296,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,654.80 : 828,982.20 = 197,680.40 : x
  2. Step 2: Convert to fraction form
    552,654.80/828,982.20 = 197,680.40/x
  3. Step 3: Cross multiply
    552,654.80x = 828,982.20 × 197,680.40
  4. Step 4: Simplify right side
    552,654.80x = 163,873,532,888.88
  5. Step 5: Solve for x
    x = 163,873,532,888.88/552,654.80
  6. Step 6: Final answer
    x = 296,520.60

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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.