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Finding the Fourth Proportional to 546,673.80, 820,164.30 and 266,200.20

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Solution

The fourth proportional to 546,673.80, 820,164.30 and 266,200.20 is: 399,375.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,673.80 : 820,164.30 = 266,200.20 : x
  2. Step 2: Convert to fraction form
    546,673.80/820,164.30 = 266,200.20/x
  3. Step 3: Cross multiply
    546,673.80x = 820,164.30 × 266,200.20
  4. Step 4: Simplify right side
    546,673.80x = 218,327,900,692.86
  5. Step 5: Solve for x
    x = 218,327,900,692.86/546,673.80
  6. Step 6: Final answer
    x = 399,375.09

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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.