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Finding the Fourth Proportional to 447,830.44, 618,003.30 and 246,625

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Solution

The fourth proportional to 447,830.44, 618,003.30 and 246,625 is: 340,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,830.44 : 618,003.30 = 246,625 : x
  2. Step 2: Convert to fraction form
    447,830.44/618,003.30 = 246,625/x
  3. Step 3: Cross multiply
    447,830.44x = 618,003.30 × 246,625
  4. Step 4: Simplify right side
    447,830.44x = 152,415,063,862.50
  5. Step 5: Solve for x
    x = 152,415,063,862.50/447,830.44
  6. Step 6: Final answer
    x = 340,341.01

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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.