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Finding the Fourth Proportional to 375,774.08, 518,554.48 and 206,004.48

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Solution

The fourth proportional to 375,774.08, 518,554.48 and 206,004.48 is: 284,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,774.08 : 518,554.48 = 206,004.48 : x
  2. Step 2: Convert to fraction form
    375,774.08/518,554.48 = 206,004.48/x
  3. Step 3: Cross multiply
    375,774.08x = 518,554.48 × 206,004.48
  4. Step 4: Simplify right side
    375,774.08x = 106,824,546,004.07
  5. Step 5: Solve for x
    x = 106,824,546,004.07/375,774.08
  6. Step 6: Final answer
    x = 284,278.64

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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.