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Finding the Fourth Proportional to 560,573.12, 773,593.08 and 305,930

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Solution

The fourth proportional to 560,573.12, 773,593.08 and 305,930 is: 422,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,573.12 : 773,593.08 = 305,930 : x
  2. Step 2: Convert to fraction form
    560,573.12/773,593.08 = 305,930/x
  3. Step 3: Cross multiply
    560,573.12x = 773,593.08 × 305,930
  4. Step 4: Simplify right side
    560,573.12x = 236,665,330,964.40
  5. Step 5: Solve for x
    x = 236,665,330,964.40/560,573.12
  6. Step 6: Final answer
    x = 422,184.59

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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.