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Finding the Fourth Proportional to 403,757.54, 605,637.22 and 379,095.46

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Solution

The fourth proportional to 403,757.54, 605,637.22 and 379,095.46 is: 568,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,757.54 : 605,637.22 = 379,095.46 : x
  2. Step 2: Convert to fraction form
    403,757.54/605,637.22 = 379,095.46/x
  3. Step 3: Cross multiply
    403,757.54x = 605,637.22 × 379,095.46
  4. Step 4: Simplify right side
    403,757.54x = 229,594,320,509.02
  5. Step 5: Solve for x
    x = 229,594,320,509.02/403,757.54
  6. Step 6: Final answer
    x = 568,644.04

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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.