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Finding the Fourth Proportional to 471,614.88, 650,755.20 and 270,372

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Solution

The fourth proportional to 471,614.88, 650,755.20 and 270,372 is: 373,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,614.88 : 650,755.20 = 270,372 : x
  2. Step 2: Convert to fraction form
    471,614.88/650,755.20 = 270,372/x
  3. Step 3: Cross multiply
    471,614.88x = 650,755.20 × 270,372
  4. Step 4: Simplify right side
    471,614.88x = 175,945,984,934.40
  5. Step 5: Solve for x
    x = 175,945,984,934.40/471,614.88
  6. Step 6: Final answer
    x = 373,071.32

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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.