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Finding the Fourth Proportional to 379,255.52, 568,429.68 and 176,578.40

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Solution

The fourth proportional to 379,255.52, 568,429.68 and 176,578.40 is: 264,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,255.52 : 568,429.68 = 176,578.40 : x
  2. Step 2: Convert to fraction form
    379,255.52/568,429.68 = 176,578.40/x
  3. Step 3: Cross multiply
    379,255.52x = 568,429.68 × 176,578.40
  4. Step 4: Simplify right side
    379,255.52x = 100,372,403,406.91
  5. Step 5: Solve for x
    x = 100,372,403,406.91/379,255.52
  6. Step 6: Final answer
    x = 264,656.41

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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.