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Finding the Fourth Proportional to 284,248.55, 425,891.07 and 171,692.28

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Solution

The fourth proportional to 284,248.55, 425,891.07 and 171,692.28 is: 257,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,248.55 : 425,891.07 = 171,692.28 : x
  2. Step 2: Convert to fraction form
    284,248.55/425,891.07 = 171,692.28/x
  3. Step 3: Cross multiply
    284,248.55x = 425,891.07 × 171,692.28
  4. Step 4: Simplify right side
    284,248.55x = 73,122,208,839.94
  5. Step 5: Solve for x
    x = 73,122,208,839.94/284,248.55
  6. Step 6: Final answer
    x = 257,247.43

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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.