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Finding the Fourth Proportional to 552,890,040.27, 762,983,721.22 and 301,994,592.09

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Solution

The fourth proportional to 552,890,040.27, 762,983,721.22 and 301,994,592.09 is: 416,750,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,890,040.27 : 762,983,721.22 = 301,994,592.09 : x
  2. Step 2: Convert to fraction form
    552,890,040.27/762,983,721.22 = 301,994,592.09/x
  3. Step 3: Cross multiply
    552,890,040.27x = 762,983,721.22 × 301,994,592.09
  4. Step 4: Simplify right side
    552,890,040.27x = 230,416,957,661,144,160
  5. Step 5: Solve for x
    x = 230,416,957,661,144,160/552,890,040.27
  6. Step 6: Final answer
    x = 416,750,060.37

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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.