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Finding the Fourth Proportional to 489,203.40, 733,805.10 and 173,692.20

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Solution

The fourth proportional to 489,203.40, 733,805.10 and 173,692.20 is: 260,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,203.40 : 733,805.10 = 173,692.20 : x
  2. Step 2: Convert to fraction form
    489,203.40/733,805.10 = 173,692.20/x
  3. Step 3: Cross multiply
    489,203.40x = 733,805.10 × 173,692.20
  4. Step 4: Simplify right side
    489,203.40x = 127,456,222,190.22
  5. Step 5: Solve for x
    x = 127,456,222,190.22/489,203.40
  6. Step 6: Final answer
    x = 260,538.30

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Similar ratio
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1.5x scale

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.