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Finding the Fourth Proportional to 452,079.72, 677,860.38 and 136,443.24

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Solution

The fourth proportional to 452,079.72, 677,860.38 and 136,443.24 is: 204,586.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,079.72 : 677,860.38 = 136,443.24 : x
  2. Step 2: Convert to fraction form
    452,079.72/677,860.38 = 136,443.24/x
  3. Step 3: Cross multiply
    452,079.72x = 677,860.38 × 136,443.24
  4. Step 4: Simplify right side
    452,079.72x = 92,489,466,514.83
  5. Step 5: Solve for x
    x = 92,489,466,514.83/452,079.72
  6. Step 6: Final answer
    x = 204,586.63

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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.