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Finding the Fourth Proportional to 653,324,228.26, 901,576,083 and 355,968,914.20

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Solution

The fourth proportional to 653,324,228.26, 901,576,083 and 355,968,914.20 is: 491,230,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,324,228.26 : 901,576,083 = 355,968,914.20 : x
  2. Step 2: Convert to fraction form
    653,324,228.26/901,576,083 = 355,968,914.20/x
  3. Step 3: Cross multiply
    653,324,228.26x = 901,576,083 × 355,968,914.20
  4. Step 4: Simplify right side
    653,324,228.26x = 320,933,059,334,199,040
  5. Step 5: Solve for x
    x = 320,933,059,334,199,040/653,324,228.26
  6. Step 6: Final answer
    x = 491,230,916.37

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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.