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Finding the Fourth Proportional to 544,906.20, 816,581.70 and 401,633.40

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Solution

The fourth proportional to 544,906.20, 816,581.70 and 401,633.40 is: 601,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,906.20 : 816,581.70 = 401,633.40 : x
  2. Step 2: Convert to fraction form
    544,906.20/816,581.70 = 401,633.40/x
  3. Step 3: Cross multiply
    544,906.20x = 816,581.70 × 401,633.40
  4. Step 4: Simplify right side
    544,906.20x = 327,966,484,548.78
  5. Step 5: Solve for x
    x = 327,966,484,548.78/544,906.20
  6. Step 6: Final answer
    x = 601,876.96

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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.