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Finding the Fourth Proportional to 408,835.80, 613,253.70 and 184,449.60

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Solution

The fourth proportional to 408,835.80, 613,253.70 and 184,449.60 is: 276,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,835.80 : 613,253.70 = 184,449.60 : x
  2. Step 2: Convert to fraction form
    408,835.80/613,253.70 = 184,449.60/x
  3. Step 3: Cross multiply
    408,835.80x = 613,253.70 × 184,449.60
  4. Step 4: Simplify right side
    408,835.80x = 113,114,399,663.52
  5. Step 5: Solve for x
    x = 113,114,399,663.52/408,835.80
  6. Step 6: Final answer
    x = 276,674.40

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1.5x scale

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.