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Finding the Fourth Proportional to 277,006.56, 382,135.44 and 181,471.20

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Solution

The fourth proportional to 277,006.56, 382,135.44 and 181,471.20 is: 250,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,006.56 : 382,135.44 = 181,471.20 : x
  2. Step 2: Convert to fraction form
    277,006.56/382,135.44 = 181,471.20/x
  3. Step 3: Cross multiply
    277,006.56x = 382,135.44 × 181,471.20
  4. Step 4: Simplify right side
    277,006.56x = 69,346,576,859.33
  5. Step 5: Solve for x
    x = 69,346,576,859.33/277,006.56
  6. Step 6: Final answer
    x = 250,342.72

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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.