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Finding the Fourth Proportional to 352,268.14, 485,830.20 and 245,094.20

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Solution

The fourth proportional to 352,268.14, 485,830.20 and 245,094.20 is: 338,021.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,268.14 : 485,830.20 = 245,094.20 : x
  2. Step 2: Convert to fraction form
    352,268.14/485,830.20 = 245,094.20/x
  3. Step 3: Cross multiply
    352,268.14x = 485,830.20 × 245,094.20
  4. Step 4: Simplify right side
    352,268.14x = 119,074,167,249.45
  5. Step 5: Solve for x
    x = 119,074,167,249.45/352,268.14
  6. Step 6: Final answer
    x = 338,021.39

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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.