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Finding the Fourth Proportional to 635,005.60, 952,774.95 and 395,319.94

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Solution

The fourth proportional to 635,005.60, 952,774.95 and 395,319.94 is: 593,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,005.60 : 952,774.95 = 395,319.94 : x
  2. Step 2: Convert to fraction form
    635,005.60/952,774.95 = 395,319.94/x
  3. Step 3: Cross multiply
    635,005.60x = 952,774.95 × 395,319.94
  4. Step 4: Simplify right side
    635,005.60x = 376,650,936,067.50
  5. Step 5: Solve for x
    x = 376,650,936,067.50/635,005.60
  6. Step 6: Final answer
    x = 593,145.85

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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.