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Finding the Fourth Proportional to 339,557.06, 468,588.75 and 188,654.06

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Solution

The fourth proportional to 339,557.06, 468,588.75 and 188,654.06 is: 260,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,557.06 : 468,588.75 = 188,654.06 : x
  2. Step 2: Convert to fraction form
    339,557.06/468,588.75 = 188,654.06/x
  3. Step 3: Cross multiply
    339,557.06x = 468,588.75 × 188,654.06
  4. Step 4: Simplify right side
    339,557.06x = 88,401,170,621.84
  5. Step 5: Solve for x
    x = 88,401,170,621.84/339,557.06
  6. Step 6: Final answer
    x = 260,342.61

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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.