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Finding the Fourth Proportional to 523,992.17, 786,141.35 and 168,998.33

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Solution

The fourth proportional to 523,992.17, 786,141.35 and 168,998.33 is: 253,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,992.17 : 786,141.35 = 168,998.33 : x
  2. Step 2: Convert to fraction form
    523,992.17/786,141.35 = 168,998.33/x
  3. Step 3: Cross multiply
    523,992.17x = 786,141.35 × 168,998.33
  4. Step 4: Simplify right side
    523,992.17x = 132,856,575,293.95
  5. Step 5: Solve for x
    x = 132,856,575,293.95/523,992.17
  6. Step 6: Final answer
    x = 253,546.87

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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.