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Finding the Fourth Proportional to 284,596.56, 426,879.36 and 144,351.52

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Solution

The fourth proportional to 284,596.56, 426,879.36 and 144,351.52 is: 216,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,596.56 : 426,879.36 = 144,351.52 : x
  2. Step 2: Convert to fraction form
    284,596.56/426,879.36 = 144,351.52/x
  3. Step 3: Cross multiply
    284,596.56x = 426,879.36 × 144,351.52
  4. Step 4: Simplify right side
    284,596.56x = 61,620,684,472.63
  5. Step 5: Solve for x
    x = 61,620,684,472.63/284,596.56
  6. Step 6: Final answer
    x = 216,519.43

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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.