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Finding the Fourth Proportional to 230,845.60, 346,268.40 and 205,962.40

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Solution

The fourth proportional to 230,845.60, 346,268.40 and 205,962.40 is: 308,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,845.60 : 346,268.40 = 205,962.40 : x
  2. Step 2: Convert to fraction form
    230,845.60/346,268.40 = 205,962.40/x
  3. Step 3: Cross multiply
    230,845.60x = 346,268.40 × 205,962.40
  4. Step 4: Simplify right side
    230,845.60x = 71,318,270,708.16
  5. Step 5: Solve for x
    x = 71,318,270,708.16/230,845.60
  6. Step 6: Final answer
    x = 308,943.60

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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.