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Finding the Fourth Proportional to 496,172.40, 744,258.60 and 492,025.20

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Solution

The fourth proportional to 496,172.40, 744,258.60 and 492,025.20 is: 738,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,172.40 : 744,258.60 = 492,025.20 : x
  2. Step 2: Convert to fraction form
    496,172.40/744,258.60 = 492,025.20/x
  3. Step 3: Cross multiply
    496,172.40x = 744,258.60 × 492,025.20
  4. Step 4: Simplify right side
    496,172.40x = 366,193,986,516.72
  5. Step 5: Solve for x
    x = 366,193,986,516.72/496,172.40
  6. Step 6: Final answer
    x = 738,037.80

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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.