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Finding the Fourth Proportional to 626,560,853.55, 864,603,285.87 and 362,259,804.03

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Solution

The fourth proportional to 626,560,853.55, 864,603,285.87 and 362,259,804.03 is: 499,889,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,560,853.55 : 864,603,285.87 = 362,259,804.03 : x
  2. Step 2: Convert to fraction form
    626,560,853.55/864,603,285.87 = 362,259,804.03/x
  3. Step 3: Cross multiply
    626,560,853.55x = 864,603,285.87 × 362,259,804.03
  4. Step 4: Simplify right side
    626,560,853.55x = 313,211,016,902,960,256
  5. Step 5: Solve for x
    x = 313,211,016,902,960,256/626,560,853.55
  6. Step 6: Final answer
    x = 499,889,220.86

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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.