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Finding the Fourth Proportional to 264,943.51, 397,415.37 and 65,267.79

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Solution

The fourth proportional to 264,943.51, 397,415.37 and 65,267.79 is: 97,901.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,943.51 : 397,415.37 = 65,267.79 : x
  2. Step 2: Convert to fraction form
    264,943.51/397,415.37 = 65,267.79/x
  3. Step 3: Cross multiply
    264,943.51x = 397,415.37 × 65,267.79
  4. Step 4: Simplify right side
    264,943.51x = 25,938,422,911.93
  5. Step 5: Solve for x
    x = 25,938,422,911.93/264,943.51
  6. Step 6: Final answer
    x = 97,901.71

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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.