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Finding the Fourth Proportional to 336,336.72, 504,490.50 and 83,611.92

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Solution

The fourth proportional to 336,336.72, 504,490.50 and 83,611.92 is: 125,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,336.72 : 504,490.50 = 83,611.92 : x
  2. Step 2: Convert to fraction form
    336,336.72/504,490.50 = 83,611.92/x
  3. Step 3: Cross multiply
    336,336.72x = 504,490.50 × 83,611.92
  4. Step 4: Simplify right side
    336,336.72x = 42,181,419,326.76
  5. Step 5: Solve for x
    x = 42,181,419,326.76/336,336.72
  6. Step 6: Final answer
    x = 125,414.26

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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.