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Finding the Fourth Proportional to 378,995.58, 568,293.45 and 335,827.86

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Solution

The fourth proportional to 378,995.58, 568,293.45 and 335,827.86 is: 503,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,995.58 : 568,293.45 = 335,827.86 : x
  2. Step 2: Convert to fraction form
    378,995.58/568,293.45 = 335,827.86/x
  3. Step 3: Cross multiply
    378,995.58x = 568,293.45 × 335,827.86
  4. Step 4: Simplify right side
    378,995.58x = 190,848,773,165.52
  5. Step 5: Solve for x
    x = 190,848,773,165.52/378,995.58
  6. Step 6: Final answer
    x = 503,564.64

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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.