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Finding the Fourth Proportional to 554,258.60, 831,018.73 and 199,226.49

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Solution

The fourth proportional to 554,258.60, 831,018.73 and 199,226.49 is: 298,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,258.60 : 831,018.73 = 199,226.49 : x
  2. Step 2: Convert to fraction form
    554,258.60/831,018.73 = 199,226.49/x
  3. Step 3: Cross multiply
    554,258.60x = 831,018.73 × 199,226.49
  4. Step 4: Simplify right side
    554,258.60x = 165,560,941,181.16
  5. Step 5: Solve for x
    x = 165,560,941,181.16/554,258.60
  6. Step 6: Final answer
    x = 298,707.03

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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.