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Finding the Fourth Proportional to 293,692.47, 440,323.20 and 93,897.87

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Solution

The fourth proportional to 293,692.47, 440,323.20 and 93,897.87 is: 140,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,692.47 : 440,323.20 = 93,897.87 : x
  2. Step 2: Convert to fraction form
    293,692.47/440,323.20 = 93,897.87/x
  3. Step 3: Cross multiply
    293,692.47x = 440,323.20 × 93,897.87
  4. Step 4: Simplify right side
    293,692.47x = 41,345,410,591.58
  5. Step 5: Solve for x
    x = 41,345,410,591.58/293,692.47
  6. Step 6: Final answer
    x = 140,777.90

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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.