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Finding the Fourth Proportional to 534,648.20, 801,000.30 and 423,062.60

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Solution

The fourth proportional to 534,648.20, 801,000.30 and 423,062.60 is: 633,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,648.20 : 801,000.30 = 423,062.60 : x
  2. Step 2: Convert to fraction form
    534,648.20/801,000.30 = 423,062.60/x
  3. Step 3: Cross multiply
    534,648.20x = 801,000.30 × 423,062.60
  4. Step 4: Simplify right side
    534,648.20x = 338,873,269,518.78
  5. Step 5: Solve for x
    x = 338,873,269,518.78/534,648.20
  6. Step 6: Final answer
    x = 633,824.76

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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.