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Finding the Fourth Proportional to 468,958.10, 647,268.42 and 265,126.95

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Solution

The fourth proportional to 468,958.10, 647,268.42 and 265,126.95 is: 365,935.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,958.10 : 647,268.42 = 265,126.95 : x
  2. Step 2: Convert to fraction form
    468,958.10/647,268.42 = 265,126.95/x
  3. Step 3: Cross multiply
    468,958.10x = 647,268.42 × 265,126.95
  4. Step 4: Simplify right side
    468,958.10x = 171,608,302,025.92
  5. Step 5: Solve for x
    x = 171,608,302,025.92/468,958.10
  6. Step 6: Final answer
    x = 365,935.26

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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.