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Finding the Fourth Proportional to 552,590,822.22, 762,571,386.42 and 301,695,205.82

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Solution

The fourth proportional to 552,590,822.22, 762,571,386.42 and 301,695,205.82 is: 416,337,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,590,822.22 : 762,571,386.42 = 301,695,205.82 : x
  2. Step 2: Convert to fraction form
    552,590,822.22/762,571,386.42 = 301,695,205.82/x
  3. Step 3: Cross multiply
    552,590,822.22x = 762,571,386.42 × 301,695,205.82
  4. Step 4: Simplify right side
    552,590,822.22x = 230,064,131,378,424,640
  5. Step 5: Solve for x
    x = 230,064,131,378,424,640/552,590,822.22
  6. Step 6: Final answer
    x = 416,337,228.43

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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.