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Finding the Fourth Proportional to 449,552.03, 619,118.84 and 439,754.27

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Solution

The fourth proportional to 449,552.03, 619,118.84 and 439,754.27 is: 605,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,552.03 : 619,118.84 = 439,754.27 : x
  2. Step 2: Convert to fraction form
    449,552.03/619,118.84 = 439,754.27/x
  3. Step 3: Cross multiply
    449,552.03x = 619,118.84 × 439,754.27
  4. Step 4: Simplify right side
    449,552.03x = 272,260,148,233.08
  5. Step 5: Solve for x
    x = 272,260,148,233.08/449,552.03
  6. Step 6: Final answer
    x = 605,625.45

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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.