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Finding the Fourth Proportional to 499,062.60, 748,626.30 and 262,866.60

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Solution

The fourth proportional to 499,062.60, 748,626.30 and 262,866.60 is: 394,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,062.60 : 748,626.30 = 262,866.60 : x
  2. Step 2: Convert to fraction form
    499,062.60/748,626.30 = 262,866.60/x
  3. Step 3: Cross multiply
    499,062.60x = 748,626.30 × 262,866.60
  4. Step 4: Simplify right side
    499,062.60x = 196,788,850,151.58
  5. Step 5: Solve for x
    x = 196,788,850,151.58/499,062.60
  6. Step 6: Final answer
    x = 394,316.97

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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.