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Finding the Fourth Proportional to 504,489.77, 696,195.51 and 275,047.04

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Solution

The fourth proportional to 504,489.77, 696,195.51 and 275,047.04 is: 379,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,489.77 : 696,195.51 = 275,047.04 : x
  2. Step 2: Convert to fraction form
    504,489.77/696,195.51 = 275,047.04/x
  3. Step 3: Cross multiply
    504,489.77x = 696,195.51 × 275,047.04
  4. Step 4: Simplify right side
    504,489.77x = 191,486,514,995.85
  5. Step 5: Solve for x
    x = 191,486,514,995.85/504,489.77
  6. Step 6: Final answer
    x = 379,564.71

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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.