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Finding the Fourth Proportional to 244,561.20, 366,841.80 and 215,692.80

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Solution

The fourth proportional to 244,561.20, 366,841.80 and 215,692.80 is: 323,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,561.20 : 366,841.80 = 215,692.80 : x
  2. Step 2: Convert to fraction form
    244,561.20/366,841.80 = 215,692.80/x
  3. Step 3: Cross multiply
    244,561.20x = 366,841.80 × 215,692.80
  4. Step 4: Simplify right side
    244,561.20x = 79,125,134,999.04
  5. Step 5: Solve for x
    x = 79,125,134,999.04/244,561.20
  6. Step 6: Final answer
    x = 323,539.20

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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.