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Finding the Fourth Proportional to 529,578.24, 794,933.28 and 214,241.28

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Solution

The fourth proportional to 529,578.24, 794,933.28 and 214,241.28 is: 321,590.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,578.24 : 794,933.28 = 214,241.28 : x
  2. Step 2: Convert to fraction form
    529,578.24/794,933.28 = 214,241.28/x
  3. Step 3: Cross multiply
    529,578.24x = 794,933.28 × 214,241.28
  4. Step 4: Simplify right side
    529,578.24x = 170,307,523,421.80
  5. Step 5: Solve for x
    x = 170,307,523,421.80/529,578.24
  6. Step 6: Final answer
    x = 321,590.86

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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.