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Finding the Fourth Proportional to 529,805.20, 795,207 and 193,171.12

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Solution

The fourth proportional to 529,805.20, 795,207 and 193,171.12 is: 289,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,805.20 : 795,207 = 193,171.12 : x
  2. Step 2: Convert to fraction form
    529,805.20/795,207 = 193,171.12/x
  3. Step 3: Cross multiply
    529,805.20x = 795,207 × 193,171.12
  4. Step 4: Simplify right side
    529,805.20x = 153,611,026,821.84
  5. Step 5: Solve for x
    x = 153,611,026,821.84/529,805.20
  6. Step 6: Final answer
    x = 289,938.69

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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.