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Finding the Fourth Proportional to 560,576.12, 773,597.22 and 305,933

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Solution

The fourth proportional to 560,576.12, 773,597.22 and 305,933 is: 422,188.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,576.12 : 773,597.22 = 305,933 : x
  2. Step 2: Convert to fraction form
    560,576.12/773,597.22 = 305,933/x
  3. Step 3: Cross multiply
    560,576.12x = 773,597.22 × 305,933
  4. Step 4: Simplify right side
    560,576.12x = 236,668,918,306.26
  5. Step 5: Solve for x
    x = 236,668,918,306.26/560,576.12
  6. Step 6: Final answer
    x = 422,188.73

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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.