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Finding the Fourth Proportional to 662,661.30, 994,348.71 and 263,305.69

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Solution

The fourth proportional to 662,661.30, 994,348.71 and 263,305.69 is: 395,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,661.30 : 994,348.71 = 263,305.69 : x
  2. Step 2: Convert to fraction form
    662,661.30/994,348.71 = 263,305.69/x
  3. Step 3: Cross multiply
    662,661.30x = 994,348.71 × 263,305.69
  4. Step 4: Simplify right side
    662,661.30x = 261,817,670,701.29
  5. Step 5: Solve for x
    x = 261,817,670,701.29/662,661.30
  6. Step 6: Final answer
    x = 395,100.29

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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.