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Finding the Fourth Proportional to 375,057.67, 517,574.26 and 213,915.41

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Solution

The fourth proportional to 375,057.67, 517,574.26 and 213,915.41 is: 295,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,057.67 : 517,574.26 = 213,915.41 : x
  2. Step 2: Convert to fraction form
    375,057.67/517,574.26 = 213,915.41/x
  3. Step 3: Cross multiply
    375,057.67x = 517,574.26 × 213,915.41
  4. Step 4: Simplify right side
    375,057.67x = 110,717,110,033.35
  5. Step 5: Solve for x
    x = 110,717,110,033.35/375,057.67
  6. Step 6: Final answer
    x = 295,200.23

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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.