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Finding the Fourth Proportional to 544,940.20, 816,632.70 and 401,667.40

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Solution

The fourth proportional to 544,940.20, 816,632.70 and 401,667.40 is: 601,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,940.20 : 816,632.70 = 401,667.40 : x
  2. Step 2: Convert to fraction form
    544,940.20/816,632.70 = 401,667.40/x
  3. Step 3: Cross multiply
    544,940.20x = 816,632.70 × 401,667.40
  4. Step 4: Simplify right side
    544,940.20x = 328,014,733,363.98
  5. Step 5: Solve for x
    x = 328,014,733,363.98/544,940.20
  6. Step 6: Final answer
    x = 601,927.94

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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.