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Finding the Fourth Proportional to 367,758.91, 507,520.36 and 206,610.72

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Solution

The fourth proportional to 367,758.91, 507,520.36 and 206,610.72 is: 285,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,758.91 : 507,520.36 = 206,610.72 : x
  2. Step 2: Convert to fraction form
    367,758.91/507,520.36 = 206,610.72/x
  3. Step 3: Cross multiply
    367,758.91x = 507,520.36 × 206,610.72
  4. Step 4: Simplify right side
    367,758.91x = 104,859,146,994.26
  5. Step 5: Solve for x
    x = 104,859,146,994.26/367,758.91
  6. Step 6: Final answer
    x = 285,130.13

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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.