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Finding the Fourth Proportional to 373,720.10, 560,755.11 and 163,330.70

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Solution

The fourth proportional to 373,720.10, 560,755.11 and 163,330.70 is: 245,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,720.10 : 560,755.11 = 163,330.70 : x
  2. Step 2: Convert to fraction form
    373,720.10/560,755.11 = 163,330.70/x
  3. Step 3: Cross multiply
    373,720.10x = 560,755.11 × 163,330.70
  4. Step 4: Simplify right side
    373,720.10x = 91,588,524,644.88
  5. Step 5: Solve for x
    x = 91,588,524,644.88/373,720.10
  6. Step 6: Final answer
    x = 245,072.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.