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Finding the Fourth Proportional to 371,596.75, 512,786.30 and 210,452.97

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Solution

The fourth proportional to 371,596.75, 512,786.30 and 210,452.97 is: 290,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,596.75 : 512,786.30 = 210,452.97 : x
  2. Step 2: Convert to fraction form
    371,596.75/512,786.30 = 210,452.97/x
  3. Step 3: Cross multiply
    371,596.75x = 512,786.30 × 210,452.97
  4. Step 4: Simplify right side
    371,596.75x = 107,917,400,681.00
  5. Step 5: Solve for x
    x = 107,917,400,681.00/371,596.75
  6. Step 6: Final answer
    x = 290,415.35

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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.