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Finding the Fourth Proportional to 539,540.70, 744,566.30 and 297,823.41

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Solution

The fourth proportional to 539,540.70, 744,566.30 and 297,823.41 is: 410,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,540.70 : 744,566.30 = 297,823.41 : x
  2. Step 2: Convert to fraction form
    539,540.70/744,566.30 = 297,823.41/x
  3. Step 3: Cross multiply
    539,540.70x = 744,566.30 × 297,823.41
  4. Step 4: Simplify right side
    539,540.70x = 221,749,272,947.97
  5. Step 5: Solve for x
    x = 221,749,272,947.97/539,540.70
  6. Step 6: Final answer
    x = 410,996.38

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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.