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Finding the Fourth Proportional to 560,310.45, 773,224.85 and 318,593.02

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Solution

The fourth proportional to 560,310.45, 773,224.85 and 318,593.02 is: 439,656.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,310.45 : 773,224.85 = 318,593.02 : x
  2. Step 2: Convert to fraction form
    560,310.45/773,224.85 = 318,593.02/x
  3. Step 3: Cross multiply
    560,310.45x = 773,224.85 × 318,593.02
  4. Step 4: Simplify right side
    560,310.45x = 246,344,042,588.46
  5. Step 5: Solve for x
    x = 246,344,042,588.46/560,310.45
  6. Step 6: Final answer
    x = 439,656.34

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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.