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Finding the Fourth Proportional to 888,950, 1,226,751 and 486,542

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Solution

The fourth proportional to 888,950, 1,226,751 and 486,542 is: 671,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,950 : 1,226,751 = 486,542 : x
  2. Step 2: Convert to fraction form
    888,950/1,226,751 = 486,542/x
  3. Step 3: Cross multiply
    888,950x = 1,226,751 × 486,542
  4. Step 4: Simplify right side
    888,950x = 596,865,885,042
  5. Step 5: Solve for x
    x = 596,865,885,042/888,950
  6. Step 6: Final answer
    x = 671,427.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.