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Finding the Fourth Proportional to 470,213.25, 704,628.50 and 277,889.73

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Solution

The fourth proportional to 470,213.25, 704,628.50 and 277,889.73 is: 416,426.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,213.25 : 704,628.50 = 277,889.73 : x
  2. Step 2: Convert to fraction form
    470,213.25/704,628.50 = 277,889.73/x
  3. Step 3: Cross multiply
    470,213.25x = 704,628.50 × 277,889.73
  4. Step 4: Simplify right side
    470,213.25x = 195,809,022,225.86
  5. Step 5: Solve for x
    x = 195,809,022,225.86/470,213.25
  6. Step 6: Final answer
    x = 416,426.00

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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.