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Finding the Fourth Proportional to 339,886.04, 509,829 and 161,853.26

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Solution

The fourth proportional to 339,886.04, 509,829 and 161,853.26 is: 242,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,886.04 : 509,829 = 161,853.26 : x
  2. Step 2: Convert to fraction form
    339,886.04/509,829 = 161,853.26/x
  3. Step 3: Cross multiply
    339,886.04x = 509,829 × 161,853.26
  4. Step 4: Simplify right side
    339,886.04x = 82,517,485,692.54
  5. Step 5: Solve for x
    x = 82,517,485,692.54/339,886.04
  6. Step 6: Final answer
    x = 242,779.86

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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.