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Finding the Fourth Proportional to 245,841.36, 338,892.48 and 200,449.68

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Solution

The fourth proportional to 245,841.36, 338,892.48 and 200,449.68 is: 276,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,841.36 : 338,892.48 = 200,449.68 : x
  2. Step 2: Convert to fraction form
    245,841.36/338,892.48 = 200,449.68/x
  3. Step 3: Cross multiply
    245,841.36x = 338,892.48 × 200,449.68
  4. Step 4: Simplify right side
    245,841.36x = 67,930,889,170.41
  5. Step 5: Solve for x
    x = 67,930,889,170.41/245,841.36
  6. Step 6: Final answer
    x = 276,320.02

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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.