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Finding the Fourth Proportional to 577,982.60, 866,628.30 and 298,046.60

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Solution

The fourth proportional to 577,982.60, 866,628.30 and 298,046.60 is: 446,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,982.60 : 866,628.30 = 298,046.60 : x
  2. Step 2: Convert to fraction form
    577,982.60/866,628.30 = 298,046.60/x
  3. Step 3: Cross multiply
    577,982.60x = 866,628.30 × 298,046.60
  4. Step 4: Simplify right side
    577,982.60x = 258,295,618,278.78
  5. Step 5: Solve for x
    x = 258,295,618,278.78/577,982.60
  6. Step 6: Final answer
    x = 446,891.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.