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Finding the Fourth Proportional to 529,843.26, 731,202.94 and 303,532.50

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Solution

The fourth proportional to 529,843.26, 731,202.94 and 303,532.50 is: 418,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,843.26 : 731,202.94 = 303,532.50 : x
  2. Step 2: Convert to fraction form
    529,843.26/731,202.94 = 303,532.50/x
  3. Step 3: Cross multiply
    529,843.26x = 731,202.94 × 303,532.50
  4. Step 4: Simplify right side
    529,843.26x = 221,943,854,867.89
  5. Step 5: Solve for x
    x = 221,943,854,867.89/529,843.26
  6. Step 6: Final answer
    x = 418,885.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.