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Finding the Fourth Proportional to 626,387.22, 938,950.11 and 360,067.86

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Solution

The fourth proportional to 626,387.22, 938,950.11 and 360,067.86 is: 539,739.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,387.22 : 938,950.11 = 360,067.86 : x
  2. Step 2: Convert to fraction form
    626,387.22/938,950.11 = 360,067.86/x
  3. Step 3: Cross multiply
    626,387.22x = 938,950.11 × 360,067.86
  4. Step 4: Simplify right side
    626,387.22x = 338,085,756,754.47
  5. Step 5: Solve for x
    x = 338,085,756,754.47/626,387.22
  6. Step 6: Final answer
    x = 539,739.23

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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.