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Finding the Fourth Proportional to 488,747.88, 674,444.22 and 284,832

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Solution

The fourth proportional to 488,747.88, 674,444.22 and 284,832 is: 393,051.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,747.88 : 674,444.22 = 284,832 : x
  2. Step 2: Convert to fraction form
    488,747.88/674,444.22 = 284,832/x
  3. Step 3: Cross multiply
    488,747.88x = 674,444.22 × 284,832
  4. Step 4: Simplify right side
    488,747.88x = 192,103,296,071.04
  5. Step 5: Solve for x
    x = 192,103,296,071.04/488,747.88
  6. Step 6: Final answer
    x = 393,051.93

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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.