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Finding the Fourth Proportional to 683,265.58, 943,021.87 and 396,951.74

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Solution

The fourth proportional to 683,265.58, 943,021.87 and 396,951.74 is: 547,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,265.58 : 943,021.87 = 396,951.74 : x
  2. Step 2: Convert to fraction form
    683,265.58/943,021.87 = 396,951.74/x
  3. Step 3: Cross multiply
    683,265.58x = 943,021.87 × 396,951.74
  4. Step 4: Simplify right side
    683,265.58x = 374,334,171,099.82
  5. Step 5: Solve for x
    x = 374,334,171,099.82/683,265.58
  6. Step 6: Final answer
    x = 547,860.43

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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.