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Finding the Fourth Proportional to 351,093.97, 526,387.15 and 208,601.29

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Solution

The fourth proportional to 351,093.97, 526,387.15 and 208,601.29 is: 312,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,093.97 : 526,387.15 = 208,601.29 : x
  2. Step 2: Convert to fraction form
    351,093.97/526,387.15 = 208,601.29/x
  3. Step 3: Cross multiply
    351,093.97x = 526,387.15 × 208,601.29
  4. Step 4: Simplify right side
    351,093.97x = 109,805,038,529.42
  5. Step 5: Solve for x
    x = 109,805,038,529.42/351,093.97
  6. Step 6: Final answer
    x = 312,751.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.