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Finding the Fourth Proportional to 512,833.19, 769,259.67 and 157,846.83

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Solution

The fourth proportional to 512,833.19, 769,259.67 and 157,846.83 is: 236,773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,833.19 : 769,259.67 = 157,846.83 : x
  2. Step 2: Convert to fraction form
    512,833.19/769,259.67 = 157,846.83/x
  3. Step 3: Cross multiply
    512,833.19x = 769,259.67 × 157,846.83
  4. Step 4: Simplify right side
    512,833.19x = 121,425,200,356.35
  5. Step 5: Solve for x
    x = 121,425,200,356.35/512,833.19
  6. Step 6: Final answer
    x = 236,773.29

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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.