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Finding the Fourth Proportional to 375,936.55, 518,744.48 and 214,802.03

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Solution

The fourth proportional to 375,936.55, 518,744.48 and 214,802.03 is: 296,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,936.55 : 518,744.48 = 214,802.03 : x
  2. Step 2: Convert to fraction form
    375,936.55/518,744.48 = 214,802.03/x
  3. Step 3: Cross multiply
    375,936.55x = 518,744.48 × 214,802.03
  4. Step 4: Simplify right side
    375,936.55x = 111,427,367,578.15
  5. Step 5: Solve for x
    x = 111,427,367,578.15/375,936.55
  6. Step 6: Final answer
    x = 296,399.40

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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.