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Finding the Fourth Proportional to 325,300,501.36, 487,978,308.24 and 104,003,745.04

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Solution

The fourth proportional to 325,300,501.36, 487,978,308.24 and 104,003,745.04 is: 156,014,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,300,501.36 : 487,978,308.24 = 104,003,745.04 : x
  2. Step 2: Convert to fraction form
    325,300,501.36/487,978,308.24 = 104,003,745.04/x
  3. Step 3: Cross multiply
    325,300,501.36x = 487,978,308.24 × 104,003,745.04
  4. Step 4: Simplify right side
    325,300,501.36x = 50,751,571,555,243,496
  5. Step 5: Solve for x
    x = 50,751,571,555,243,496/325,300,501.36
  6. Step 6: Final answer
    x = 156,014,427.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.