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Finding the Fourth Proportional to 375,956.33, 518,852.54 and 206,223.26

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Solution

The fourth proportional to 375,956.33, 518,852.54 and 206,223.26 is: 284,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,956.33 : 518,852.54 = 206,223.26 : x
  2. Step 2: Convert to fraction form
    375,956.33/518,852.54 = 206,223.26/x
  3. Step 3: Cross multiply
    375,956.33x = 518,852.54 × 206,223.26
  4. Step 4: Simplify right side
    375,956.33x = 106,999,462,258.08
  5. Step 5: Solve for x
    x = 106,999,462,258.08/375,956.33
  6. Step 6: Final answer
    x = 284,606.09

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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.