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Finding the Fourth Proportional to 551,608.60, 827,412.90 and 196,634.20

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Solution

The fourth proportional to 551,608.60, 827,412.90 and 196,634.20 is: 294,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,608.60 : 827,412.90 = 196,634.20 : x
  2. Step 2: Convert to fraction form
    551,608.60/827,412.90 = 196,634.20/x
  3. Step 3: Cross multiply
    551,608.60x = 827,412.90 × 196,634.20
  4. Step 4: Simplify right side
    551,608.60x = 162,697,673,661.18
  5. Step 5: Solve for x
    x = 162,697,673,661.18/551,608.60
  6. Step 6: Final answer
    x = 294,951.30

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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.