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Finding the Fourth Proportional to 405,888.95, 608,837.61 and 181,260.83

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Solution

The fourth proportional to 405,888.95, 608,837.61 and 181,260.83 is: 271,893.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,888.95 : 608,837.61 = 181,260.83 : x
  2. Step 2: Convert to fraction form
    405,888.95/608,837.61 = 181,260.83/x
  3. Step 3: Cross multiply
    405,888.95x = 608,837.61 × 181,260.83
  4. Step 4: Simplify right side
    405,888.95x = 110,358,410,523.82
  5. Step 5: Solve for x
    x = 110,358,410,523.82/405,888.95
  6. Step 6: Final answer
    x = 271,893.11

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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.