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Finding the Fourth Proportional to 468,765.63, 646,850.34 and 261,995.85

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Solution

The fourth proportional to 468,765.63, 646,850.34 and 261,995.85 is: 361,528.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,765.63 : 646,850.34 = 261,995.85 : x
  2. Step 2: Convert to fraction form
    468,765.63/646,850.34 = 261,995.85/x
  3. Step 3: Cross multiply
    468,765.63x = 646,850.34 × 261,995.85
  4. Step 4: Simplify right side
    468,765.63x = 169,472,104,651.09
  5. Step 5: Solve for x
    x = 169,472,104,651.09/468,765.63
  6. Step 6: Final answer
    x = 361,528.44

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1.5x scale

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.