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Finding the Fourth Proportional to 492,276.42, 738,414.51 and 118,299.42

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Solution

The fourth proportional to 492,276.42, 738,414.51 and 118,299.42 is: 177,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,276.42 : 738,414.51 = 118,299.42 : x
  2. Step 2: Convert to fraction form
    492,276.42/738,414.51 = 118,299.42/x
  3. Step 3: Cross multiply
    492,276.42x = 738,414.51 × 118,299.42
  4. Step 4: Simplify right side
    492,276.42x = 87,354,008,252.58
  5. Step 5: Solve for x
    x = 87,354,008,252.58/492,276.42
  6. Step 6: Final answer
    x = 177,449.10

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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.