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Finding the Fourth Proportional to 539,182.88, 744,067.60 and 297,467.56

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Solution

The fourth proportional to 539,182.88, 744,067.60 and 297,467.56 is: 410,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,182.88 : 744,067.60 = 297,467.56 : x
  2. Step 2: Convert to fraction form
    539,182.88/744,067.60 = 297,467.56/x
  3. Step 3: Cross multiply
    539,182.88x = 744,067.60 × 297,467.56
  4. Step 4: Simplify right side
    539,182.88x = 221,335,973,447.06
  5. Step 5: Solve for x
    x = 221,335,973,447.06/539,182.88
  6. Step 6: Final answer
    x = 410,502.60

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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.