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Finding the Fourth Proportional to 230,067.60, 345,101.40 and 216,945.60

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Solution

The fourth proportional to 230,067.60, 345,101.40 and 216,945.60 is: 325,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,067.60 : 345,101.40 = 216,945.60 : x
  2. Step 2: Convert to fraction form
    230,067.60/345,101.40 = 216,945.60/x
  3. Step 3: Cross multiply
    230,067.60x = 345,101.40 × 216,945.60
  4. Step 4: Simplify right side
    230,067.60x = 74,868,230,283.84
  5. Step 5: Solve for x
    x = 74,868,230,283.84/230,067.60
  6. Step 6: Final answer
    x = 325,418.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.