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Finding the Fourth Proportional to 405,876.48, 608,818.83 and 181,248.36

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Solution

The fourth proportional to 405,876.48, 608,818.83 and 181,248.36 is: 271,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,876.48 : 608,818.83 = 181,248.36 : x
  2. Step 2: Convert to fraction form
    405,876.48/608,818.83 = 181,248.36/x
  3. Step 3: Cross multiply
    405,876.48x = 608,818.83 × 181,248.36
  4. Step 4: Simplify right side
    405,876.48x = 110,347,414,474.62
  5. Step 5: Solve for x
    x = 110,347,414,474.62/405,876.48
  6. Step 6: Final answer
    x = 271,874.38

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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.