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Finding the Fourth Proportional to 560,577.27, 773,585.84 and 305,930.28

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Solution

The fourth proportional to 560,577.27, 773,585.84 and 305,930.28 is: 422,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,577.27 : 773,585.84 = 305,930.28 : x
  2. Step 2: Convert to fraction form
    560,577.27/773,585.84 = 305,930.28/x
  3. Step 3: Cross multiply
    560,577.27x = 773,585.84 × 305,930.28
  4. Step 4: Simplify right side
    560,577.27x = 236,663,331,105.58
  5. Step 5: Solve for x
    x = 236,663,331,105.58/560,577.27
  6. Step 6: Final answer
    x = 422,177.89

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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.