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Finding the Fourth Proportional to 536,654.20, 804,981.30 and 162,628.60

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Solution

The fourth proportional to 536,654.20, 804,981.30 and 162,628.60 is: 243,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,654.20 : 804,981.30 = 162,628.60 : x
  2. Step 2: Convert to fraction form
    536,654.20/804,981.30 = 162,628.60/x
  3. Step 3: Cross multiply
    536,654.20x = 804,981.30 × 162,628.60
  4. Step 4: Simplify right side
    536,654.20x = 130,912,981,845.18
  5. Step 5: Solve for x
    x = 130,912,981,845.18/536,654.20
  6. Step 6: Final answer
    x = 243,942.90

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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.