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Finding the Fourth Proportional to 477,944, 659,485.52 and 273,957.36

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Solution

The fourth proportional to 477,944, 659,485.52 and 273,957.36 is: 378,016.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,944 : 659,485.52 = 273,957.36 : x
  2. Step 2: Convert to fraction form
    477,944/659,485.52 = 273,957.36/x
  3. Step 3: Cross multiply
    477,944x = 659,485.52 × 273,957.36
  4. Step 4: Simplify right side
    477,944x = 180,670,912,017.43
  5. Step 5: Solve for x
    x = 180,670,912,017.43/477,944
  6. Step 6: Final answer
    x = 378,016.91

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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.