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Finding the Fourth Proportional to 339,394.62, 468,365.68 and 188,491.62

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Solution

The fourth proportional to 339,394.62, 468,365.68 and 188,491.62 is: 260,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,394.62 : 468,365.68 = 188,491.62 : x
  2. Step 2: Convert to fraction form
    339,394.62/468,365.68 = 188,491.62/x
  3. Step 3: Cross multiply
    339,394.62x = 468,365.68 × 188,491.62
  4. Step 4: Simplify right side
    339,394.62x = 88,283,005,775.60
  5. Step 5: Solve for x
    x = 88,283,005,775.60/339,394.62
  6. Step 6: Final answer
    x = 260,119.05

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1.5x scale

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.