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Finding the Fourth Proportional to 560,553.92, 773,580.72 and 305,921.52

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Solution

The fourth proportional to 560,553.92, 773,580.72 and 305,921.52 is: 422,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,553.92 : 773,580.72 = 305,921.52 : x
  2. Step 2: Convert to fraction form
    560,553.92/773,580.72 = 305,921.52/x
  3. Step 3: Cross multiply
    560,553.92x = 773,580.72 × 305,921.52
  4. Step 4: Simplify right side
    560,553.92x = 236,654,989,705.09
  5. Step 5: Solve for x
    x = 236,654,989,705.09/560,553.92
  6. Step 6: Final answer
    x = 422,180.60

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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.