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Finding the Fourth Proportional to 488,755.41, 674,448.49 and 270,962.40

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Solution

The fourth proportional to 488,755.41, 674,448.49 and 270,962.40 is: 373,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,755.41 : 674,448.49 = 270,962.40 : x
  2. Step 2: Convert to fraction form
    488,755.41/674,448.49 = 270,962.40/x
  3. Step 3: Cross multiply
    488,755.41x = 674,448.49 × 270,962.40
  4. Step 4: Simplify right side
    488,755.41x = 182,750,181,526.78
  5. Step 5: Solve for x
    x = 182,750,181,526.78/488,755.41
  6. Step 6: Final answer
    x = 373,909.28

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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.