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Finding the Fourth Proportional to 360,229.20, 539,566.20 and 298,021.20

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Solution

The fourth proportional to 360,229.20, 539,566.20 and 298,021.20 is: 446,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,229.20 : 539,566.20 = 298,021.20 : x
  2. Step 2: Convert to fraction form
    360,229.20/539,566.20 = 298,021.20/x
  3. Step 3: Cross multiply
    360,229.20x = 539,566.20 × 298,021.20
  4. Step 4: Simplify right side
    360,229.20x = 160,802,166,403.44
  5. Step 5: Solve for x
    x = 160,802,166,403.44/360,229.20
  6. Step 6: Final answer
    x = 446,388.48

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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.