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Finding the Fourth Proportional to 379,214.95, 568,904.44 and 112,996.91

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Solution

The fourth proportional to 379,214.95, 568,904.44 and 112,996.91 is: 169,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,214.95 : 568,904.44 = 112,996.91 : x
  2. Step 2: Convert to fraction form
    379,214.95/568,904.44 = 112,996.91/x
  3. Step 3: Cross multiply
    379,214.95x = 568,904.44 × 112,996.91
  4. Step 4: Simplify right side
    379,214.95x = 64,284,443,805.28
  5. Step 5: Solve for x
    x = 64,284,443,805.28/379,214.95
  6. Step 6: Final answer
    x = 169,519.80

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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.