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Finding the Fourth Proportional to 704,898, 1,056,999.78 and 255,551.46

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Solution

The fourth proportional to 704,898, 1,056,999.78 and 255,551.46 is: 383,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,898 : 1,056,999.78 = 255,551.46 : x
  2. Step 2: Convert to fraction form
    704,898/1,056,999.78 = 255,551.46/x
  3. Step 3: Cross multiply
    704,898x = 1,056,999.78 × 255,551.46
  4. Step 4: Simplify right side
    704,898x = 270,117,836,998.68
  5. Step 5: Solve for x
    x = 270,117,836,998.68/704,898
  6. Step 6: Final answer
    x = 383,201.31

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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.