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Finding the Fourth Proportional to 682,217.61, 941,452.83 and 376,306.89

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Solution

The fourth proportional to 682,217.61, 941,452.83 and 376,306.89 is: 519,299.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,217.61 : 941,452.83 = 376,306.89 : x
  2. Step 2: Convert to fraction form
    682,217.61/941,452.83 = 376,306.89/x
  3. Step 3: Cross multiply
    682,217.61x = 941,452.83 × 376,306.89
  4. Step 4: Simplify right side
    682,217.61x = 354,275,186,539.00
  5. Step 5: Solve for x
    x = 354,275,186,539.00/682,217.61
  6. Step 6: Final answer
    x = 519,299.39

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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.