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Finding the Fourth Proportional to 379,797.80, 569,773.56 and 169,435.76

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Solution

The fourth proportional to 379,797.80, 569,773.56 and 169,435.76 is: 254,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,797.80 : 569,773.56 = 169,435.76 : x
  2. Step 2: Convert to fraction form
    379,797.80/569,773.56 = 169,435.76/x
  3. Step 3: Cross multiply
    379,797.80x = 569,773.56 × 169,435.76
  4. Step 4: Simplify right side
    379,797.80x = 96,540,016,166.51
  5. Step 5: Solve for x
    x = 96,540,016,166.51/379,797.80
  6. Step 6: Final answer
    x = 254,187.93

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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.