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Finding the Fourth Proportional to 529,742, 795,112.36 and 193,108

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Solution

The fourth proportional to 529,742, 795,112.36 and 193,108 is: 289,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,742 : 795,112.36 = 193,108 : x
  2. Step 2: Convert to fraction form
    529,742/795,112.36 = 193,108/x
  3. Step 3: Cross multiply
    529,742x = 795,112.36 × 193,108
  4. Step 4: Simplify right side
    529,742x = 153,542,557,614.88
  5. Step 5: Solve for x
    x = 153,542,557,614.88/529,742
  6. Step 6: Final answer
    x = 289,844.03

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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.