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Finding the Fourth Proportional to 610,755.35, 916,137.89 and 250,833.47

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Solution

The fourth proportional to 610,755.35, 916,137.89 and 250,833.47 is: 376,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,755.35 : 916,137.89 = 250,833.47 : x
  2. Step 2: Convert to fraction form
    610,755.35/916,137.89 = 250,833.47/x
  3. Step 3: Cross multiply
    610,755.35x = 916,137.89 × 250,833.47
  4. Step 4: Simplify right side
    610,755.35x = 229,798,040,112.32
  5. Step 5: Solve for x
    x = 229,798,040,112.32/610,755.35
  6. Step 6: Final answer
    x = 376,252.20

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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.