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Finding the Fourth Proportional to 539,510.60, 744,067.54 and 324,610.51

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Solution

The fourth proportional to 539,510.60, 744,067.54 and 324,610.51 is: 447,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,510.60 : 744,067.54 = 324,610.51 : x
  2. Step 2: Convert to fraction form
    539,510.60/744,067.54 = 324,610.51/x
  3. Step 3: Cross multiply
    539,510.60x = 744,067.54 × 324,610.51
  4. Step 4: Simplify right side
    539,510.60x = 241,532,143,633.85
  5. Step 5: Solve for x
    x = 241,532,143,633.85/539,510.60
  6. Step 6: Final answer
    x = 447,687.48

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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.