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Finding the Fourth Proportional to 551,408.60, 827,210.10 and 196,628.60

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Solution

The fourth proportional to 551,408.60, 827,210.10 and 196,628.60 is: 294,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,408.60 : 827,210.10 = 196,628.60 : x
  2. Step 2: Convert to fraction form
    551,408.60/827,210.10 = 196,628.60/x
  3. Step 3: Cross multiply
    551,408.60x = 827,210.10 × 196,628.60
  4. Step 4: Simplify right side
    551,408.60x = 162,653,163,868.86
  5. Step 5: Solve for x
    x = 162,653,163,868.86/551,408.60
  6. Step 6: Final answer
    x = 294,977.56

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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.