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Finding the Fourth Proportional to 682,447.46, 941,780.76 and 376,523.82

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Solution

The fourth proportional to 682,447.46, 941,780.76 and 376,523.82 is: 519,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,447.46 : 941,780.76 = 376,523.82 : x
  2. Step 2: Convert to fraction form
    682,447.46/941,780.76 = 376,523.82/x
  3. Step 3: Cross multiply
    682,447.46x = 941,780.76 × 376,523.82
  4. Step 4: Simplify right side
    682,447.46x = 354,602,889,357.70
  5. Step 5: Solve for x
    x = 354,602,889,357.70/682,447.46
  6. Step 6: Final answer
    x = 519,604.68

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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.