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Finding the Fourth Proportional to 504,556.93, 696,279.63 and 275,116

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Solution

The fourth proportional to 504,556.93, 696,279.63 and 275,116 is: 379,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,556.93 : 696,279.63 = 275,116 : x
  2. Step 2: Convert to fraction form
    504,556.93/696,279.63 = 275,116/x
  3. Step 3: Cross multiply
    504,556.93x = 696,279.63 × 275,116
  4. Step 4: Simplify right side
    504,556.93x = 191,557,666,687.08
  5. Step 5: Solve for x
    x = 191,557,666,687.08/504,556.93
  6. Step 6: Final answer
    x = 379,655.21

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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.