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Finding the Fourth Proportional to 536,418.70, 804,628.05 and 162,441.70

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Solution

The fourth proportional to 536,418.70, 804,628.05 and 162,441.70 is: 243,662.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,418.70 : 804,628.05 = 162,441.70 : x
  2. Step 2: Convert to fraction form
    536,418.70/804,628.05 = 162,441.70/x
  3. Step 3: Cross multiply
    536,418.70x = 804,628.05 × 162,441.70
  4. Step 4: Simplify right side
    536,418.70x = 130,705,148,309.69
  5. Step 5: Solve for x
    x = 130,705,148,309.69/536,418.70
  6. Step 6: Final answer
    x = 243,662.55

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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.