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Finding the Fourth Proportional to 339,199.36, 468,111.36 and 195,978.40

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Solution

The fourth proportional to 339,199.36, 468,111.36 and 195,978.40 is: 270,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,199.36 : 468,111.36 = 195,978.40 : x
  2. Step 2: Convert to fraction form
    339,199.36/468,111.36 = 195,978.40/x
  3. Step 3: Cross multiply
    339,199.36x = 468,111.36 × 195,978.40
  4. Step 4: Simplify right side
    339,199.36x = 91,739,715,354.62
  5. Step 5: Solve for x
    x = 91,739,715,354.62/339,199.36
  6. Step 6: Final answer
    x = 270,459.58

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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.