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Finding the Fourth Proportional to 492,276.15, 738,414.14 and 118,299.15

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Solution

The fourth proportional to 492,276.15, 738,414.14 and 118,299.15 is: 177,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,276.15 : 738,414.14 = 118,299.15 : x
  2. Step 2: Convert to fraction form
    492,276.15/738,414.14 = 118,299.15/x
  3. Step 3: Cross multiply
    492,276.15x = 738,414.14 × 118,299.15
  4. Step 4: Simplify right side
    492,276.15x = 87,353,765,109.98
  5. Step 5: Solve for x
    x = 87,353,765,109.98/492,276.15
  6. Step 6: Final answer
    x = 177,448.70

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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.