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Finding the Fourth Proportional to 551,419.60, 827,226.60 and 196,639.60

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Solution

The fourth proportional to 551,419.60, 827,226.60 and 196,639.60 is: 294,994.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,419.60 : 827,226.60 = 196,639.60 : x
  2. Step 2: Convert to fraction form
    551,419.60/827,226.60 = 196,639.60/x
  3. Step 3: Cross multiply
    551,419.60x = 827,226.60 × 196,639.60
  4. Step 4: Simplify right side
    551,419.60x = 162,665,507,733.36
  5. Step 5: Solve for x
    x = 162,665,507,733.36/551,419.60
  6. Step 6: Final answer
    x = 294,994.06

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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.