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Finding the Fourth Proportional to 451,980.41, 623,740.62 and 248,050.31

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Solution

The fourth proportional to 451,980.41, 623,740.62 and 248,050.31 is: 342,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,980.41 : 623,740.62 = 248,050.31 : x
  2. Step 2: Convert to fraction form
    451,980.41/623,740.62 = 248,050.31/x
  3. Step 3: Cross multiply
    451,980.41x = 623,740.62 × 248,050.31
  4. Step 4: Simplify right side
    451,980.41x = 154,719,052,313.44
  5. Step 5: Solve for x
    x = 154,719,052,313.44/451,980.41
  6. Step 6: Final answer
    x = 342,313.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.