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Finding the Fourth Proportional to 264,969.95, 397,455.11 and 65,290.32

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Solution

The fourth proportional to 264,969.95, 397,455.11 and 65,290.32 is: 97,935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,969.95 : 397,455.11 = 65,290.32 : x
  2. Step 2: Convert to fraction form
    264,969.95/397,455.11 = 65,290.32/x
  3. Step 3: Cross multiply
    264,969.95x = 397,455.11 × 65,290.32
  4. Step 4: Simplify right side
    264,969.95x = 25,949,970,991.08
  5. Step 5: Solve for x
    x = 25,949,970,991.08/264,969.95
  6. Step 6: Final answer
    x = 97,935.53

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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.