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Finding the Fourth Proportional to 375,057.04, 517,593 and 213,938.32

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Solution

The fourth proportional to 375,057.04, 517,593 and 213,938.32 is: 295,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,057.04 : 517,593 = 213,938.32 : x
  2. Step 2: Convert to fraction form
    375,057.04/517,593 = 213,938.32/x
  3. Step 3: Cross multiply
    375,057.04x = 517,593 × 213,938.32
  4. Step 4: Simplify right side
    375,057.04x = 110,732,976,863.76
  5. Step 5: Solve for x
    x = 110,732,976,863.76/375,057.04
  6. Step 6: Final answer
    x = 295,243.03

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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.