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Finding the Fourth Proportional to 351,092.97, 526,385.66 and 208,600.29

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Solution

The fourth proportional to 351,092.97, 526,385.66 and 208,600.29 is: 312,749.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,092.97 : 526,385.66 = 208,600.29 : x
  2. Step 2: Convert to fraction form
    351,092.97/526,385.66 = 208,600.29/x
  3. Step 3: Cross multiply
    351,092.97x = 526,385.66 × 208,600.29
  4. Step 4: Simplify right side
    351,092.97x = 109,804,200,284.84
  5. Step 5: Solve for x
    x = 109,804,200,284.84/351,092.97
  6. Step 6: Final answer
    x = 312,749.64

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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.