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Finding the Fourth Proportional to 405,577.73, 608,163.55 and 125,058.53

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Solution

The fourth proportional to 405,577.73, 608,163.55 and 125,058.53 is: 187,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,577.73 : 608,163.55 = 125,058.53 : x
  2. Step 2: Convert to fraction form
    405,577.73/608,163.55 = 125,058.53/x
  3. Step 3: Cross multiply
    405,577.73x = 608,163.55 × 125,058.53
  4. Step 4: Simplify right side
    405,577.73x = 76,056,035,896.47
  5. Step 5: Solve for x
    x = 76,056,035,896.47/405,577.73
  6. Step 6: Final answer
    x = 187,525.18

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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.