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Finding the Fourth Proportional to 355,519.44, 533,226.72 and 130,827.68

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Solution

The fourth proportional to 355,519.44, 533,226.72 and 130,827.68 is: 196,222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,519.44 : 533,226.72 = 130,827.68 : x
  2. Step 2: Convert to fraction form
    355,519.44/533,226.72 = 130,827.68/x
  3. Step 3: Cross multiply
    355,519.44x = 533,226.72 × 130,827.68
  4. Step 4: Simplify right side
    355,519.44x = 69,760,814,691.61
  5. Step 5: Solve for x
    x = 69,760,814,691.61/355,519.44
  6. Step 6: Final answer
    x = 196,222.22

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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.