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Finding the Fourth Proportional to 560,476.27, 773,475.92 and 305,841.43

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Solution

The fourth proportional to 560,476.27, 773,475.92 and 305,841.43 is: 422,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,476.27 : 773,475.92 = 305,841.43 : x
  2. Step 2: Convert to fraction form
    560,476.27/773,475.92 = 305,841.43/x
  3. Step 3: Cross multiply
    560,476.27x = 773,475.92 × 305,841.43
  4. Step 4: Simplify right side
    560,476.27x = 236,560,981,443.37
  5. Step 5: Solve for x
    x = 236,560,981,443.37/560,476.27
  6. Step 6: Final answer
    x = 422,071.36

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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.