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Finding the Fourth Proportional to 508,692.53, 763,031.03 and 171,969.72

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Solution

The fourth proportional to 508,692.53, 763,031.03 and 171,969.72 is: 257,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,692.53 : 763,031.03 = 171,969.72 : x
  2. Step 2: Convert to fraction form
    508,692.53/763,031.03 = 171,969.72/x
  3. Step 3: Cross multiply
    508,692.53x = 763,031.03 × 171,969.72
  4. Step 4: Simplify right side
    508,692.53x = 131,218,228,335.33
  5. Step 5: Solve for x
    x = 131,218,228,335.33/508,692.53
  6. Step 6: Final answer
    x = 257,951.95

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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.