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Finding the Fourth Proportional to 339,251.60, 468,148.93 and 188,338.88

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Solution

The fourth proportional to 339,251.60, 468,148.93 and 188,338.88 is: 259,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,251.60 : 468,148.93 = 188,338.88 : x
  2. Step 2: Convert to fraction form
    339,251.60/468,148.93 = 188,338.88/x
  3. Step 3: Cross multiply
    339,251.60x = 468,148.93 × 188,338.88
  4. Step 4: Simplify right side
    339,251.60x = 88,170,642,337.81
  5. Step 5: Solve for x
    x = 88,170,642,337.81/339,251.60
  6. Step 6: Final answer
    x = 259,897.50

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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.