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Finding the Fourth Proportional to 836,610, 1,255,111.83 and 275,644.50

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Solution

The fourth proportional to 836,610, 1,255,111.83 and 275,644.50 is: 413,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,610 : 1,255,111.83 = 275,644.50 : x
  2. Step 2: Convert to fraction form
    836,610/1,255,111.83 = 275,644.50/x
  3. Step 3: Cross multiply
    836,610x = 1,255,111.83 × 275,644.50
  4. Step 4: Simplify right side
    836,610x = 345,964,672,824.44
  5. Step 5: Solve for x
    x = 345,964,672,824.44/836,610
  6. Step 6: Final answer
    x = 413,531.60

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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.