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Finding the Fourth Proportional to 481,258.80, 664,152.82 and 277,293.92

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Solution

The fourth proportional to 481,258.80, 664,152.82 and 277,293.92 is: 382,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,258.80 : 664,152.82 = 277,293.92 : x
  2. Step 2: Convert to fraction form
    481,258.80/664,152.82 = 277,293.92/x
  3. Step 3: Cross multiply
    481,258.80x = 664,152.82 × 277,293.92
  4. Step 4: Simplify right side
    481,258.80x = 184,165,534,922.86
  5. Step 5: Solve for x
    x = 184,165,534,922.86/481,258.80
  6. Step 6: Final answer
    x = 382,674.63

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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.