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Finding the Fourth Proportional to 405,884.80, 608,827.20 and 184,268.80

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Solution

The fourth proportional to 405,884.80, 608,827.20 and 184,268.80 is: 276,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,884.80 : 608,827.20 = 184,268.80 : x
  2. Step 2: Convert to fraction form
    405,884.80/608,827.20 = 184,268.80/x
  3. Step 3: Cross multiply
    405,884.80x = 608,827.20 × 184,268.80
  4. Step 4: Simplify right side
    405,884.80x = 112,187,857,551.36
  5. Step 5: Solve for x
    x = 112,187,857,551.36/405,884.80
  6. Step 6: Final answer
    x = 276,403.20

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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.