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Finding the Fourth Proportional to 614,067.28, 847,188 and 372,175.36

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Solution

The fourth proportional to 614,067.28, 847,188 and 372,175.36 is: 513,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,067.28 : 847,188 = 372,175.36 : x
  2. Step 2: Convert to fraction form
    614,067.28/847,188 = 372,175.36/x
  3. Step 3: Cross multiply
    614,067.28x = 847,188 × 372,175.36
  4. Step 4: Simplify right side
    614,067.28x = 315,302,498,887.68
  5. Step 5: Solve for x
    x = 315,302,498,887.68/614,067.28
  6. Step 6: Final answer
    x = 513,465.72

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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.