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Finding the Fourth Proportional to 481,321.83, 664,293.63 and 277,333.68

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Solution

The fourth proportional to 481,321.83, 664,293.63 and 277,333.68 is: 382,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,321.83 : 664,293.63 = 277,333.68 : x
  2. Step 2: Convert to fraction form
    481,321.83/664,293.63 = 277,333.68/x
  3. Step 3: Cross multiply
    481,321.83x = 664,293.63 × 277,333.68
  4. Step 4: Simplify right side
    481,321.83x = 184,230,997,008.46
  5. Step 5: Solve for x
    x = 184,230,997,008.46/481,321.83
  6. Step 6: Final answer
    x = 382,760.53

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1.5x scale

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.