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Finding the Fourth Proportional to 539,251.23, 744,170.69 and 297,542.77

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Solution

The fourth proportional to 539,251.23, 744,170.69 and 297,542.77 is: 410,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,251.23 : 744,170.69 = 297,542.77 : x
  2. Step 2: Convert to fraction form
    539,251.23/744,170.69 = 297,542.77/x
  3. Step 3: Cross multiply
    539,251.23x = 744,170.69 × 297,542.77
  4. Step 4: Simplify right side
    539,251.23x = 221,422,608,455.41
  5. Step 5: Solve for x
    x = 221,422,608,455.41/539,251.23
  6. Step 6: Final answer
    x = 410,611.23

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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.