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Finding the Fourth Proportional to 603,511.44, 832,499.34 and 376,763.28

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Solution

The fourth proportional to 603,511.44, 832,499.34 and 376,763.28 is: 519,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,511.44 : 832,499.34 = 376,763.28 : x
  2. Step 2: Convert to fraction form
    603,511.44/832,499.34 = 376,763.28/x
  3. Step 3: Cross multiply
    603,511.44x = 832,499.34 × 376,763.28
  4. Step 4: Simplify right side
    603,511.44x = 313,655,181,936.24
  5. Step 5: Solve for x
    x = 313,655,181,936.24/603,511.44
  6. Step 6: Final answer
    x = 519,717.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.