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Finding the Fourth Proportional to 379,111.68, 568,668.28 and 98,628.48

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Solution

The fourth proportional to 379,111.68, 568,668.28 and 98,628.48 is: 147,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,111.68 : 568,668.28 = 98,628.48 : x
  2. Step 2: Convert to fraction form
    379,111.68/568,668.28 = 98,628.48/x
  3. Step 3: Cross multiply
    379,111.68x = 568,668.28 × 98,628.48
  4. Step 4: Simplify right side
    379,111.68x = 56,086,888,080.61
  5. Step 5: Solve for x
    x = 56,086,888,080.61/379,111.68
  6. Step 6: Final answer
    x = 147,942.92

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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.