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Finding the Fourth Proportional to 437,857.67, 656,814.20 and 185,091.05

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Solution

The fourth proportional to 437,857.67, 656,814.20 and 185,091.05 is: 277,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,857.67 : 656,814.20 = 185,091.05 : x
  2. Step 2: Convert to fraction form
    437,857.67/656,814.20 = 185,091.05/x
  3. Step 3: Cross multiply
    437,857.67x = 656,814.20 × 185,091.05
  4. Step 4: Simplify right side
    437,857.67x = 121,570,429,007.46
  5. Step 5: Solve for x
    x = 121,570,429,007.46/437,857.67
  6. Step 6: Final answer
    x = 277,648.28

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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.