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Finding the Fourth Proportional to 444,017.58, 665,970.96 and 261,753

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Solution

The fourth proportional to 444,017.58, 665,970.96 and 261,753 is: 392,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,017.58 : 665,970.96 = 261,753 : x
  2. Step 2: Convert to fraction form
    444,017.58/665,970.96 = 261,753/x
  3. Step 3: Cross multiply
    444,017.58x = 665,970.96 × 261,753
  4. Step 4: Simplify right side
    444,017.58x = 174,319,896,692.88
  5. Step 5: Solve for x
    x = 174,319,896,692.88/444,017.58
  6. Step 6: Final answer
    x = 392,596.84

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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.