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Finding the Fourth Proportional to 492,115.60, 738,173.40 and 333,485.20

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Solution

The fourth proportional to 492,115.60, 738,173.40 and 333,485.20 is: 500,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,115.60 : 738,173.40 = 333,485.20 : x
  2. Step 2: Convert to fraction form
    492,115.60/738,173.40 = 333,485.20/x
  3. Step 3: Cross multiply
    492,115.60x = 738,173.40 × 333,485.20
  4. Step 4: Simplify right side
    492,115.60x = 246,169,903,933.68
  5. Step 5: Solve for x
    x = 246,169,903,933.68/492,115.60
  6. Step 6: Final answer
    x = 500,227.80

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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.