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Finding the Fourth Proportional to 360,976.44, 540,872.82 and 255,606.24

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Solution

The fourth proportional to 360,976.44, 540,872.82 and 255,606.24 is: 382,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,976.44 : 540,872.82 = 255,606.24 : x
  2. Step 2: Convert to fraction form
    360,976.44/540,872.82 = 255,606.24/x
  3. Step 3: Cross multiply
    360,976.44x = 540,872.82 × 255,606.24
  4. Step 4: Simplify right side
    360,976.44x = 138,250,467,838.40
  5. Step 5: Solve for x
    x = 138,250,467,838.40/360,976.44
  6. Step 6: Final answer
    x = 382,990.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.