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Finding the Fourth Proportional to 405,740.00, 608,665.39 and 169,027.31

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Solution

The fourth proportional to 405,740.00, 608,665.39 and 169,027.31 is: 253,564.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,740.00 : 608,665.39 = 169,027.31 : x
  2. Step 2: Convert to fraction form
    405,740.00/608,665.39 = 169,027.31/x
  3. Step 3: Cross multiply
    405,740.00x = 608,665.39 × 169,027.31
  4. Step 4: Simplify right side
    405,740.00x = 102,881,074,660.90
  5. Step 5: Solve for x
    x = 102,881,074,660.90/405,740.00
  6. Step 6: Final answer
    x = 253,564.04

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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.