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Finding the Fourth Proportional to 484,625.44, 668,989.86 and 345,014.02

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Solution

The fourth proportional to 484,625.44, 668,989.86 and 345,014.02 is: 476,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,625.44 : 668,989.86 = 345,014.02 : x
  2. Step 2: Convert to fraction form
    484,625.44/668,989.86 = 345,014.02/x
  3. Step 3: Cross multiply
    484,625.44x = 668,989.86 × 345,014.02
  4. Step 4: Simplify right side
    484,625.44x = 230,810,877,592.89
  5. Step 5: Solve for x
    x = 230,810,877,592.89/484,625.44
  6. Step 6: Final answer
    x = 476,266.54

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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.