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Finding the Fourth Proportional to 590,634.40, 885,951.60 and 275,123.20

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Solution

The fourth proportional to 590,634.40, 885,951.60 and 275,123.20 is: 412,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,634.40 : 885,951.60 = 275,123.20 : x
  2. Step 2: Convert to fraction form
    590,634.40/885,951.60 = 275,123.20/x
  3. Step 3: Cross multiply
    590,634.40x = 885,951.60 × 275,123.20
  4. Step 4: Simplify right side
    590,634.40x = 243,745,839,237.12
  5. Step 5: Solve for x
    x = 243,745,839,237.12/590,634.40
  6. Step 6: Final answer
    x = 412,684.80

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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.