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Finding the Fourth Proportional to 331,143.56, 496,369.56 and 153,504.08

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Solution

The fourth proportional to 331,143.56, 496,369.56 and 153,504.08 is: 230,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,143.56 : 496,369.56 = 153,504.08 : x
  2. Step 2: Convert to fraction form
    331,143.56/496,369.56 = 153,504.08/x
  3. Step 3: Cross multiply
    331,143.56x = 496,369.56 × 153,504.08
  4. Step 4: Simplify right side
    331,143.56x = 76,194,752,647.80
  5. Step 5: Solve for x
    x = 76,194,752,647.80/331,143.56
  6. Step 6: Final answer
    x = 230,095.83

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1.5x scale

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.