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Finding the Fourth Proportional to 492,181.40, 738,272.10 and 482,850.20

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Solution

The fourth proportional to 492,181.40, 738,272.10 and 482,850.20 is: 724,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,181.40 : 738,272.10 = 482,850.20 : x
  2. Step 2: Convert to fraction form
    492,181.40/738,272.10 = 482,850.20/x
  3. Step 3: Cross multiply
    492,181.40x = 738,272.10 × 482,850.20
  4. Step 4: Simplify right side
    492,181.40x = 356,474,831,139.42
  5. Step 5: Solve for x
    x = 356,474,831,139.42/492,181.40
  6. Step 6: Final answer
    x = 724,275.30

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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.