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Finding the Fourth Proportional to 560,197.22, 773,137.51 and 318,516.00

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Solution

The fourth proportional to 560,197.22, 773,137.51 and 318,516.00 is: 439,589.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,197.22 : 773,137.51 = 318,516.00 : x
  2. Step 2: Convert to fraction form
    560,197.22/773,137.51 = 318,516.00/x
  3. Step 3: Cross multiply
    560,197.22x = 773,137.51 × 318,516.00
  4. Step 4: Simplify right side
    560,197.22x = 246,256,663,439.60
  5. Step 5: Solve for x
    x = 246,256,663,439.60/560,197.22
  6. Step 6: Final answer
    x = 439,589.23

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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.