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Finding the Fourth Proportional to 610,839.44, 843,059.64 and 338,994.68

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Solution

The fourth proportional to 610,839.44, 843,059.64 and 338,994.68 is: 467,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,839.44 : 843,059.64 = 338,994.68 : x
  2. Step 2: Convert to fraction form
    610,839.44/843,059.64 = 338,994.68/x
  3. Step 3: Cross multiply
    610,839.44x = 843,059.64 × 338,994.68
  4. Step 4: Simplify right side
    610,839.44x = 285,792,732,882.72
  5. Step 5: Solve for x
    x = 285,792,732,882.72/610,839.44
  6. Step 6: Final answer
    x = 467,868.83

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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.