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Finding the Fourth Proportional to 451,273.48, 622,762.17 and 247,319.88

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Solution

The fourth proportional to 451,273.48, 622,762.17 and 247,319.88 is: 341,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,273.48 : 622,762.17 = 247,319.88 : x
  2. Step 2: Convert to fraction form
    451,273.48/622,762.17 = 247,319.88/x
  3. Step 3: Cross multiply
    451,273.48x = 622,762.17 × 247,319.88
  4. Step 4: Simplify right side
    451,273.48x = 154,021,466,784.34
  5. Step 5: Solve for x
    x = 154,021,466,784.34/451,273.48
  6. Step 6: Final answer
    x = 341,304.05

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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.