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Finding the Fourth Proportional to 682,251.06, 941,765.86 and 512,976.90

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Solution

The fourth proportional to 682,251.06, 941,765.86 and 512,976.90 is: 708,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,251.06 : 941,765.86 = 512,976.90 : x
  2. Step 2: Convert to fraction form
    682,251.06/941,765.86 = 512,976.90/x
  3. Step 3: Cross multiply
    682,251.06x = 941,765.86 × 512,976.90
  4. Step 4: Simplify right side
    682,251.06x = 483,104,131,388.63
  5. Step 5: Solve for x
    x = 483,104,131,388.63/682,251.06
  6. Step 6: Final answer
    x = 708,103.16

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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.