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Finding the Fourth Proportional to 422,983.18, 583,702.50 and 251,003.26

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Solution

The fourth proportional to 422,983.18, 583,702.50 and 251,003.26 is: 346,376.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,983.18 : 583,702.50 = 251,003.26 : x
  2. Step 2: Convert to fraction form
    422,983.18/583,702.50 = 251,003.26/x
  3. Step 3: Cross multiply
    422,983.18x = 583,702.50 × 251,003.26
  4. Step 4: Simplify right side
    422,983.18x = 146,511,230,370.15
  5. Step 5: Solve for x
    x = 146,511,230,370.15/422,983.18
  6. Step 6: Final answer
    x = 346,376.02

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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.