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Finding the Fourth Proportional to 654,512.57, 981,879.57 and 334,803.23

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Solution

The fourth proportional to 654,512.57, 981,879.57 and 334,803.23 is: 502,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,512.57 : 981,879.57 = 334,803.23 : x
  2. Step 2: Convert to fraction form
    654,512.57/981,879.57 = 334,803.23/x
  3. Step 3: Cross multiply
    654,512.57x = 981,879.57 × 334,803.23
  4. Step 4: Simplify right side
    654,512.57x = 328,736,451,507.01
  5. Step 5: Solve for x
    x = 328,736,451,507.01/654,512.57
  6. Step 6: Final answer
    x = 502,261.48

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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.