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Finding the Fourth Proportional to 203,857.70, 305,786.55 and 184,830.80

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Solution

The fourth proportional to 203,857.70, 305,786.55 and 184,830.80 is: 277,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,857.70 : 305,786.55 = 184,830.80 : x
  2. Step 2: Convert to fraction form
    203,857.70/305,786.55 = 184,830.80/x
  3. Step 3: Cross multiply
    203,857.70x = 305,786.55 × 184,830.80
  4. Step 4: Simplify right side
    203,857.70x = 56,518,772,665.74
  5. Step 5: Solve for x
    x = 56,518,772,665.74/203,857.70
  6. Step 6: Final answer
    x = 277,246.20

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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.