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Finding the Fourth Proportional to 408,881.80, 613,322.70 and 184,495.60

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Solution

The fourth proportional to 408,881.80, 613,322.70 and 184,495.60 is: 276,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,881.80 : 613,322.70 = 184,495.60 : x
  2. Step 2: Convert to fraction form
    408,881.80/613,322.70 = 184,495.60/x
  3. Step 3: Cross multiply
    408,881.80x = 613,322.70 × 184,495.60
  4. Step 4: Simplify right side
    408,881.80x = 113,155,339,530.12
  5. Step 5: Solve for x
    x = 113,155,339,530.12/408,881.80
  6. Step 6: Final answer
    x = 276,743.40

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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.