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Finding the Fourth Proportional to 339,869.60, 509,804.40 and 182,405.60

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Solution

The fourth proportional to 339,869.60, 509,804.40 and 182,405.60 is: 273,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,869.60 : 509,804.40 = 182,405.60 : x
  2. Step 2: Convert to fraction form
    339,869.60/509,804.40 = 182,405.60/x
  3. Step 3: Cross multiply
    339,869.60x = 509,804.40 × 182,405.60
  4. Step 4: Simplify right side
    339,869.60x = 92,991,177,464.64
  5. Step 5: Solve for x
    x = 92,991,177,464.64/339,869.60
  6. Step 6: Final answer
    x = 273,608.40

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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.