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Finding the Fourth Proportional to 526,901.05, 790,433.89 and 171,832.49

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Solution

The fourth proportional to 526,901.05, 790,433.89 and 171,832.49 is: 257,775.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,901.05 : 790,433.89 = 171,832.49 : x
  2. Step 2: Convert to fraction form
    526,901.05/790,433.89 = 171,832.49/x
  3. Step 3: Cross multiply
    526,901.05x = 790,433.89 × 171,832.49
  4. Step 4: Simplify right side
    526,901.05x = 135,822,218,687.75
  5. Step 5: Solve for x
    x = 135,822,218,687.75/526,901.05
  6. Step 6: Final answer
    x = 257,775.57

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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.