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Finding the Fourth Proportional to 488,858.88, 731,754.02 and 336,164.96

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Solution

The fourth proportional to 488,858.88, 731,754.02 and 336,164.96 is: 503,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,858.88 : 731,754.02 = 336,164.96 : x
  2. Step 2: Convert to fraction form
    488,858.88/731,754.02 = 336,164.96/x
  3. Step 3: Cross multiply
    488,858.88x = 731,754.02 × 336,164.96
  4. Step 4: Simplify right side
    488,858.88x = 245,990,060,863.14
  5. Step 5: Solve for x
    x = 245,990,060,863.14/488,858.88
  6. Step 6: Final answer
    x = 503,192.37

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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.