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Finding the Fourth Proportional to 367,886.94, 507,681.34 and 206,738.52

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Solution

The fourth proportional to 367,886.94, 507,681.34 and 206,738.52 is: 285,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,886.94 : 507,681.34 = 206,738.52 : x
  2. Step 2: Convert to fraction form
    367,886.94/507,681.34 = 206,738.52/x
  3. Step 3: Cross multiply
    367,886.94x = 507,681.34 × 206,738.52
  4. Step 4: Simplify right side
    367,886.94x = 104,957,288,863.22
  5. Step 5: Solve for x
    x = 104,957,288,863.22/367,886.94
  6. Step 6: Final answer
    x = 285,297.68

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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.