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Finding the Fourth Proportional to 560,512.89, 773,524.17 and 305,880.48

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Solution

The fourth proportional to 560,512.89, 773,524.17 and 305,880.48 is: 422,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,512.89 : 773,524.17 = 305,880.48 : x
  2. Step 2: Convert to fraction form
    560,512.89/773,524.17 = 305,880.48/x
  3. Step 3: Cross multiply
    560,512.89x = 773,524.17 × 305,880.48
  4. Step 4: Simplify right side
    560,512.89x = 236,605,944,411.20
  5. Step 5: Solve for x
    x = 236,605,944,411.20/560,512.89
  6. Step 6: Final answer
    x = 422,124.00

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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.