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Finding the Fourth Proportional to 355,226.34, 533,049.66 and 130,744.44

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Solution

The fourth proportional to 355,226.34, 533,049.66 and 130,744.44 is: 196,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,226.34 : 533,049.66 = 130,744.44 : x
  2. Step 2: Convert to fraction form
    355,226.34/533,049.66 = 130,744.44/x
  3. Step 3: Cross multiply
    355,226.34x = 533,049.66 × 130,744.44
  4. Step 4: Simplify right side
    355,226.34x = 69,693,279,288.89
  5. Step 5: Solve for x
    x = 69,693,279,288.89/355,226.34
  6. Step 6: Final answer
    x = 196,194.01

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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.