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Finding the Fourth Proportional to 375,938.67, 518,796.06 and 206,174.01

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Solution

The fourth proportional to 375,938.67, 518,796.06 and 206,174.01 is: 284,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,938.67 : 518,796.06 = 206,174.01 : x
  2. Step 2: Convert to fraction form
    375,938.67/518,796.06 = 206,174.01/x
  3. Step 3: Cross multiply
    375,938.67x = 518,796.06 × 206,174.01
  4. Step 4: Simplify right side
    375,938.67x = 106,962,264,062.40
  5. Step 5: Solve for x
    x = 106,962,264,062.40/375,938.67
  6. Step 6: Final answer
    x = 284,520.52

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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.