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Finding the Fourth Proportional to 362,804.70, 544,207.05 and 205,340.70

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Solution

The fourth proportional to 362,804.70, 544,207.05 and 205,340.70 is: 308,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,804.70 : 544,207.05 = 205,340.70 : x
  2. Step 2: Convert to fraction form
    362,804.70/544,207.05 = 205,340.70/x
  3. Step 3: Cross multiply
    362,804.70x = 544,207.05 × 205,340.70
  4. Step 4: Simplify right side
    362,804.70x = 111,747,856,591.94
  5. Step 5: Solve for x
    x = 111,747,856,591.94/362,804.70
  6. Step 6: Final answer
    x = 308,011.05

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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.