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Finding the Fourth Proportional to 451,383.85, 622,976.03 and 260,359.93

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Solution

The fourth proportional to 451,383.85, 622,976.03 and 260,359.93 is: 359,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,383.85 : 622,976.03 = 260,359.93 : x
  2. Step 2: Convert to fraction form
    451,383.85/622,976.03 = 260,359.93/x
  3. Step 3: Cross multiply
    451,383.85x = 622,976.03 × 260,359.93
  4. Step 4: Simplify right side
    451,383.85x = 162,197,995,562.48
  5. Step 5: Solve for x
    x = 162,197,995,562.48/451,383.85
  6. Step 6: Final answer
    x = 359,334.96

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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.