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Finding the Fourth Proportional to 339,870.60, 509,805.90 and 182,406.60

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Solution

The fourth proportional to 339,870.60, 509,805.90 and 182,406.60 is: 273,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,870.60 : 509,805.90 = 182,406.60 : x
  2. Step 2: Convert to fraction form
    339,870.60/509,805.90 = 182,406.60/x
  3. Step 3: Cross multiply
    339,870.60x = 509,805.90 × 182,406.60
  4. Step 4: Simplify right side
    339,870.60x = 92,991,960,878.94
  5. Step 5: Solve for x
    x = 92,991,960,878.94/339,870.60
  6. Step 6: Final answer
    x = 273,609.90

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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.